diff --git a/01-regular-expressions.html b/01-regular-expressions.html
index 646104fc..7b8f4c52 100644
--- a/01-regular-expressions.html
+++ b/01-regular-expressions.html
@@ -1096,7 +1096,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/01-regular-expressions.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-07-03",
-  "datePublished": "2023-07-25"
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/02-match-extract-strings.html b/02-match-extract-strings.html
index 469402ff..ffbae3db 100644
--- a/02-match-extract-strings.html
+++ b/02-match-extract-strings.html
@@ -303,7 +303,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>The string ‘community-led’ matches the first search, but drops out of
 this result because the space does not match the character
@@ -332,7 +332,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>For instance, <code>\S+\b</code>. This would match one or more
 non-space characters followed by a word boundary.</p>
@@ -361,7 +361,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>Because the string ‘communi’ is present in all of those words,
 including <code>communi</code>cation and <code>communi</code>ty. Because
@@ -393,7 +393,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>The word Community is present in the text with a capital
 <code>C</code> and with a lowercase <code>c</code> 16 times.</p>
@@ -421,7 +421,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p>There is no matching string present at the start of a line. Look at
 the text and replace the string after the <code>^</code> with something
@@ -449,7 +449,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <pre><code>[Cc]omm\w+s\b</code></pre>
 <p><code>[Cc]</code> finds capital and lowercase <code>c</code></p>
@@ -488,7 +488,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>The ‘@’ character.</p>
 </div>
@@ -518,7 +518,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <pre><code>[\w.-]+@</code></pre>
 <p><code>\w</code> matches any word character (including digits and
@@ -563,7 +563,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
 <div class="accordion-body">
 <pre><code>[\w.-]+\.\w{2,3} OR [\w.-]+\.\w+</code></pre>
 <p>See the previous exercise for the explanation of the expression up to
@@ -614,7 +614,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
 <div class="accordion-body">
 <pre><code>\d{3}-\d{4}</code></pre>
 <p><code>\d</code> matches digits</p>
@@ -649,7 +649,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
 <div class="accordion-body">
 <pre><code>\d{3}-\d{3}-\d{4}</code></pre>
 <p><code>\d</code> matches digits</p>
@@ -686,7 +686,7 @@ <h4 class="accordion-header" id="headingSolution12">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
 <div class="accordion-body">
 <pre><code>\(\d{3}\) ?\d{3}-\d{4}</code></pre>
 <p><code>\(</code> escape character with the parenthesis as
@@ -725,7 +725,7 @@ <h4 class="accordion-header" id="headingSolution13">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
 <div class="accordion-body">
 <pre><code>\+\d{1,3} ?\(\d{3}\)\s?\d{3}-\d{4}</code></pre>
 <p><code>\+</code> escape character with the plus sign as
@@ -798,7 +798,7 @@ <h4 class="accordion-header" id="headingSolution14">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
 <div class="accordion-body">
 <p>This is one way to solve this challenge. You might have found others.
 Inside the cell you can use the below to extract the latitude and
@@ -890,7 +890,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/02-match-extract-strings.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-03",
-  "datePublished": "2023-07-25"
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/03-quiz.html b/03-quiz.html
index c31f6757..c00861d5 100644
--- a/03-quiz.html
+++ b/03-quiz.html
@@ -295,7 +295,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Answer
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -327,7 +327,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Answer
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -359,7 +359,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Answer
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -391,7 +391,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Answer
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -423,7 +423,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Answer
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -456,7 +456,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Answer
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -489,7 +489,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Answer
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -521,7 +521,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Answer
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -553,7 +553,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Answer
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -585,7 +585,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Answer
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -619,7 +619,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Answer
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -652,7 +652,7 @@ <h4 class="accordion-header" id="headingSolution12">
   Answer
   </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -725,7 +725,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/03-quiz.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-03",
-  "datePublished": "2023-07-25"
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/04-exercises.html b/04-exercises.html
index 56099838..4c3c1363 100644
--- a/04-exercises.html
+++ b/04-exercises.html
@@ -640,7 +640,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/04-exercises.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-03",
-  "datePublished": "2023-07-25"
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/404.html b/404.html
index e3f1eb4c..7f2d18c4 100644
--- a/404.html
+++ b/404.html
@@ -272,8 +272,8 @@ <h1>Page not found</h1>
   "url": "https://librarycarpentry.github.io/lc-data-intro/404.html",
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/404.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-07-25",
-  "datePublished": "2023-07-25"
+  "dateModified": "2023-08-01",
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index 18c5ba9a..5ab0cb32 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -296,7 +296,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/CODE_OF_CONDUCT.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-03",
-  "datePublished": "2023-07-25"
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index e3c00c9e..be725c92 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -347,7 +347,7 @@ <h1>Licenses</h1>
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/LICENSE.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-03",
-  "datePublished": "2023-07-25"
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index 89fb7c2b..86edfc3e 100644
--- a/aio.html
+++ b/aio.html
@@ -1165,7 +1165,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>The string ‘community-led’ matches the first search, but drops out of
 this result because the space does not match the character
@@ -1194,7 +1194,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>For instance, <code>\S+\b</code>. This would match one or more
 non-space characters followed by a word boundary.</p>
@@ -1223,7 +1223,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>Because the string ‘communi’ is present in all of those words,
 including <code>communi</code>cation and <code>communi</code>ty. Because
@@ -1255,7 +1255,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>The word Community is present in the text with a capital
 <code>C</code> and with a lowercase <code>c</code> 16 times.</p>
@@ -1283,7 +1283,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p>There is no matching string present at the start of a line. Look at
 the text and replace the string after the <code>^</code> with something
@@ -1311,7 +1311,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <pre><code>[Cc]omm\w+s\b</code></pre>
 <p><code>[Cc]</code> finds capital and lowercase <code>c</code></p>
@@ -1351,7 +1351,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>The ‘@’ character.</p>
 </div>
@@ -1381,7 +1381,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <pre><code>[\w.-]+@</code></pre>
 <p><code>\w</code> matches any word character (including digits and
@@ -1426,7 +1426,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
 <div class="accordion-body">
 <pre><code>[\w.-]+\.\w{2,3} OR [\w.-]+\.\w+</code></pre>
 <p>See the previous exercise for the explanation of the expression up to
@@ -1480,7 +1480,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
 <div class="accordion-body">
 <pre><code>\d{3}-\d{4}</code></pre>
 <p><code>\d</code> matches digits</p>
@@ -1515,7 +1515,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
 <div class="accordion-body">
 <pre><code>\d{3}-\d{3}-\d{4}</code></pre>
 <p><code>\d</code> matches digits</p>
@@ -1552,7 +1552,7 @@ <h4 class="accordion-header" id="headingSolution12">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
 <div class="accordion-body">
 <pre><code>\(\d{3}\) ?\d{3}-\d{4}</code></pre>
 <p><code>\(</code> escape character with the parenthesis as
@@ -1591,7 +1591,7 @@ <h4 class="accordion-header" id="headingSolution13">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
 <div class="accordion-body">
 <pre><code>\+\d{1,3} ?\(\d{3}\)\s?\d{3}-\d{4}</code></pre>
 <p><code>\+</code> escape character with the plus sign as
@@ -1667,7 +1667,7 @@ <h4 class="accordion-header" id="headingSolution14">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
 <div class="accordion-body">
 <p>This is one way to solve this challenge. You might have found others.
 Inside the cell you can use the below to extract the latitude and
@@ -1776,7 +1776,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Answer
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -1813,7 +1813,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Answer
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -1850,7 +1850,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Answer
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -1887,7 +1887,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Answer
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -1924,7 +1924,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Answer
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -1962,7 +1962,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Answer
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -2000,7 +2000,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Answer
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
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 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -2037,7 +2037,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Answer
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
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 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -2074,7 +2074,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Answer
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
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 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -2111,7 +2111,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Answer
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
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 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -2150,7 +2150,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Answer
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
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 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -2188,7 +2188,7 @@ <h4 class="accordion-header" id="headingSolution12">
   Answer
   </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -2615,8 +2615,8 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
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diff --git a/discuss.html b/discuss.html
index 159ed5aa..cef317f2 100644
--- a/discuss.html
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diff --git a/images.html b/images.html
index 6a39ff5e..d587059b 100644
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diff --git a/index.html b/index.html
index 31f72a2b..aba47ffa 100644
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diff --git a/instructor-notes.html b/instructor-notes.html
index c31814a1..c3b390e3 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
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   "dateCreated": "2018-04-12",
-  "dateModified": "2023-07-25",
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diff --git a/instructor/01-regular-expressions.html b/instructor/01-regular-expressions.html
index dfcd4a98..ec2d26a0 100644
--- a/instructor/01-regular-expressions.html
+++ b/instructor/01-regular-expressions.html
@@ -1097,7 +1097,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
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   "dateCreated": "2018-04-12",
   "dateModified": "2023-07-03",
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diff --git a/instructor/02-match-extract-strings.html b/instructor/02-match-extract-strings.html
index d2e5bd29..45839c13 100644
--- a/instructor/02-match-extract-strings.html
+++ b/instructor/02-match-extract-strings.html
@@ -304,7 +304,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>The string ‘community-led’ matches the first search, but drops out of
 this result because the space does not match the character
@@ -333,7 +333,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>For instance, <code>\S+\b</code>. This would match one or more
 non-space characters followed by a word boundary.</p>
@@ -362,7 +362,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
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 <div class="accordion-body">
 <p>Because the string ‘communi’ is present in all of those words,
 including <code>communi</code>cation and <code>communi</code>ty. Because
@@ -394,7 +394,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>The word Community is present in the text with a capital
 <code>C</code> and with a lowercase <code>c</code> 16 times.</p>
@@ -422,7 +422,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p>There is no matching string present at the start of a line. Look at
 the text and replace the string after the <code>^</code> with something
@@ -450,7 +450,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <pre><code>[Cc]omm\w+s\b</code></pre>
 <p><code>[Cc]</code> finds capital and lowercase <code>c</code></p>
@@ -489,7 +489,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>The ‘@’ character.</p>
 </div>
@@ -519,7 +519,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <pre><code>[\w.-]+@</code></pre>
 <p><code>\w</code> matches any word character (including digits and
@@ -564,7 +564,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
 <div class="accordion-body">
 <pre><code>[\w.-]+\.\w{2,3} OR [\w.-]+\.\w+</code></pre>
 <p>See the previous exercise for the explanation of the expression up to
@@ -615,7 +615,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
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 <div class="accordion-body">
 <pre><code>\d{3}-\d{4}</code></pre>
 <p><code>\d</code> matches digits</p>
@@ -650,7 +650,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
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 <div class="accordion-body">
 <pre><code>\d{3}-\d{3}-\d{4}</code></pre>
 <p><code>\d</code> matches digits</p>
@@ -687,7 +687,7 @@ <h4 class="accordion-header" id="headingSolution12">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
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 <div class="accordion-body">
 <pre><code>\(\d{3}\) ?\d{3}-\d{4}</code></pre>
 <p><code>\(</code> escape character with the parenthesis as
@@ -726,7 +726,7 @@ <h4 class="accordion-header" id="headingSolution13">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
 <div class="accordion-body">
 <pre><code>\+\d{1,3} ?\(\d{3}\)\s?\d{3}-\d{4}</code></pre>
 <p><code>\+</code> escape character with the plus sign as
@@ -799,7 +799,7 @@ <h4 class="accordion-header" id="headingSolution14">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
 <div class="accordion-body">
 <p>This is one way to solve this challenge. You might have found others.
 Inside the cell you can use the below to extract the latitude and
@@ -891,7 +891,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
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diff --git a/instructor/03-quiz.html b/instructor/03-quiz.html
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   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
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   Answer
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
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 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
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   Answer
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -392,7 +392,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Answer
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -424,7 +424,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Answer
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -457,7 +457,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Answer
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
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 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -490,7 +490,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Answer
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -522,7 +522,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Answer
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -554,7 +554,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Answer
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -586,7 +586,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Answer
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
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 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -620,7 +620,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Answer
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -653,7 +653,7 @@ <h4 class="accordion-header" id="headingSolution12">
   Answer
   </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -726,7 +726,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/03-quiz.html",
   "dateCreated": "2018-04-12",
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+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/instructor/404.html b/instructor/404.html
index d904bbff..f4e73baf 100644
--- a/instructor/404.html
+++ b/instructor/404.html
@@ -272,8 +272,8 @@ <h1>Page not found</h1>
   "url": "https://librarycarpentry.github.io/lc-data-intro/instructor/404.html",
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/404.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-07-25",
-  "datePublished": "2023-07-25"
+  "dateModified": "2023-08-01",
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index b2ca7611..cf4e438e 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
@@ -297,7 +297,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/CODE_OF_CONDUCT.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-03",
-  "datePublished": "2023-07-25"
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index 872993a0..6448cc53 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -348,7 +348,7 @@ <h1>Licenses</h1>
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/LICENSE.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-03",
-  "datePublished": "2023-07-25"
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/instructor/aio.html b/instructor/aio.html
index c48f4c9b..40198b8d 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -1163,7 +1163,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>The string ‘community-led’ matches the first search, but drops out of
 this result because the space does not match the character
@@ -1192,7 +1192,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>For instance, <code>\S+\b</code>. This would match one or more
 non-space characters followed by a word boundary.</p>
@@ -1221,7 +1221,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>Because the string ‘communi’ is present in all of those words,
 including <code>communi</code>cation and <code>communi</code>ty. Because
@@ -1253,7 +1253,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>The word Community is present in the text with a capital
 <code>C</code> and with a lowercase <code>c</code> 16 times.</p>
@@ -1281,7 +1281,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p>There is no matching string present at the start of a line. Look at
 the text and replace the string after the <code>^</code> with something
@@ -1309,7 +1309,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <pre><code>[Cc]omm\w+s\b</code></pre>
 <p><code>[Cc]</code> finds capital and lowercase <code>c</code></p>
@@ -1349,7 +1349,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>The ‘@’ character.</p>
 </div>
@@ -1379,7 +1379,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <pre><code>[\w.-]+@</code></pre>
 <p><code>\w</code> matches any word character (including digits and
@@ -1424,7 +1424,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
 <div class="accordion-body">
 <pre><code>[\w.-]+\.\w{2,3} OR [\w.-]+\.\w+</code></pre>
 <p>See the previous exercise for the explanation of the expression up to
@@ -1478,7 +1478,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
 <div class="accordion-body">
 <pre><code>\d{3}-\d{4}</code></pre>
 <p><code>\d</code> matches digits</p>
@@ -1513,7 +1513,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
 <div class="accordion-body">
 <pre><code>\d{3}-\d{3}-\d{4}</code></pre>
 <p><code>\d</code> matches digits</p>
@@ -1550,7 +1550,7 @@ <h4 class="accordion-header" id="headingSolution12">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
 <div class="accordion-body">
 <pre><code>\(\d{3}\) ?\d{3}-\d{4}</code></pre>
 <p><code>\(</code> escape character with the parenthesis as
@@ -1589,7 +1589,7 @@ <h4 class="accordion-header" id="headingSolution13">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
 <div class="accordion-body">
 <pre><code>\+\d{1,3} ?\(\d{3}\)\s?\d{3}-\d{4}</code></pre>
 <p><code>\+</code> escape character with the plus sign as
@@ -1665,7 +1665,7 @@ <h4 class="accordion-header" id="headingSolution14">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
 <div class="accordion-body">
 <p>This is one way to solve this challenge. You might have found others.
 Inside the cell you can use the below to extract the latitude and
@@ -1775,7 +1775,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Answer
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -1812,7 +1812,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Answer
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -1849,7 +1849,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Answer
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -1886,7 +1886,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Answer
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -1923,7 +1923,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Answer
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -1961,7 +1961,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Answer
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -1999,7 +1999,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Answer
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -2036,7 +2036,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Answer
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -2073,7 +2073,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Answer
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
 <div class="accordion-body">
 <p><strong>C</strong></p>
 </div>
@@ -2110,7 +2110,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Answer
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -2149,7 +2149,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Answer
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
 <div class="accordion-body">
 <p><strong>B</strong></p>
 </div>
@@ -2187,7 +2187,7 @@ <h4 class="accordion-header" id="headingSolution12">
   Answer
   </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
 <div class="accordion-body">
 <p><strong>A</strong></p>
 </div>
@@ -2615,8 +2615,8 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "url": "https://librarycarpentry.github.io/lc-data-intro/instructor/aio.html",
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/aio.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-07-25",
-  "datePublished": "2023-07-25"
+  "dateModified": "2023-08-01",
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/instructor/discuss.html b/instructor/discuss.html
index d00a084b..66a82a61 100644
--- a/instructor/discuss.html
+++ b/instructor/discuss.html
@@ -298,7 +298,7 @@ <h1>Discussion</h1>
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/discuss.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-03",
-  "datePublished": "2023-07-25"
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/instructor/images.html b/instructor/images.html
index 9d4c058e..7fedddd9 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -321,8 +321,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://librarycarpentry.github.io/lc-data-intro/instructor/images.html",
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/images.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-07-25",
-  "datePublished": "2023-07-25"
+  "dateModified": "2023-08-01",
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/instructor/index.html b/instructor/index.html
index 2a46118c..e735e67a 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -363,8 +363,8 @@ <h3 id="this-lesson-does-not-require-any-special-setup-">This lesson does not re
   "url": "https://librarycarpentry.github.io/lc-data-intro/instructor/index.html",
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/index.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-07-25",
-  "datePublished": "2023-07-25"
+  "dateModified": "2023-08-01",
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index 9cf790bd..c1aca52d 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -361,8 +361,8 @@ <h2 id="regular-expressions">Regular Expressions<a class="anchor" aria-label="an
   "url": "https://librarycarpentry.github.io/lc-data-intro/instructor/instructor-notes.html",
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/instructor-notes.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-07-25",
-  "datePublished": "2023-07-25"
+  "dateModified": "2023-08-01",
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/instructor/key-points.html b/instructor/key-points.html
index 3e740215..10d02e63 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -337,8 +337,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://librarycarpentry.github.io/lc-data-intro/instructor/key-points.html",
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/key-points.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-07-25",
-  "datePublished": "2023-07-25"
+  "dateModified": "2023-08-01",
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/instructor/profiles.html b/instructor/profiles.html
index 0f029e5b..6f891e06 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -258,8 +258,8 @@ <h1>Learner Profiles</h1>
   "url": "https://librarycarpentry.github.io/lc-data-intro/instructor/profiles.html",
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/profiles.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-07-25",
-  "datePublished": "2023-07-25"
+  "dateModified": "2023-08-01",
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/instructor/reference.html b/instructor/reference.html
index 0c163f0f..489f2121 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -332,7 +332,7 @@ <h1>Regular Expression Cheat Sheet</h1>
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/instructor/reference.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-03",
-  "datePublished": "2023-07-25"
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index e312a4bd..1221e57a 100644
--- a/key-points.html
+++ b/key-points.html
@@ -341,8 +341,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://librarycarpentry.github.io/lc-data-intro/key-points.html",
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/key-points.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-07-25",
-  "datePublished": "2023-07-25"
+  "dateModified": "2023-08-01",
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/pkgdown.yml b/pkgdown.yml
index 2e920d42..26ac0c7f 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,5 +2,5 @@ pandoc: 2.19.2
 pkgdown: 2.0.7
 pkgdown_sha: ~
 articles: {}
-last_built: 2023-07-25T00:15Z
+last_built: 2023-08-01T00:16Z
 
diff --git a/profiles.html b/profiles.html
index 699a6101..1c81e9ec 100644
--- a/profiles.html
+++ b/profiles.html
@@ -259,8 +259,8 @@ <h1>Learner Profiles</h1>
   "url": "https://librarycarpentry.github.io/lc-data-intro/profiles.html",
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/profiles.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-07-25",
-  "datePublished": "2023-07-25"
+  "dateModified": "2023-08-01",
+  "datePublished": "2023-08-01"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index 2867c5d8..52880e14 100644
--- a/reference.html
+++ b/reference.html
@@ -331,7 +331,7 @@ <h1>Regular Expression Cheat Sheet</h1>
   "identifier": "https://librarycarpentry.github.io/lc-data-intro/reference.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-03",
-  "datePublished": "2023-07-25"
+  "datePublished": "2023-08-01"
 }
 
   </script><script>