diff --git a/docs/index.html b/docs/index.html
index 5afac8f..643c9e6 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <meta charset="utf-8" />
-  <title>@thebespokepixel/string 0.5.6 | Documentation</title>
+  <title>@thebespokepixel/string 0.5.7 | Documentation</title>
   <meta name='description' content='Esoteric string formatting'>
   <meta name="viewport" content="width=device-width,initial-scale=1">
   <link href="assets/css/ace.min.css" rel="stylesheet">
@@ -15,7 +15,7 @@
     <div id='split-left' class='overflow-auto fs0 height-viewport-100 sidebar'>
       <div class='py1 px2'>
         <h3 class="m0 no-anchor">@thebespokepixel/string</h3>
-        <div class="mb1"><code>0.5.6</code></div>
+        <div class="mb1"><code>0.5.7</code></div>
         <input
           placeholder="Filter"
           id="filter-input"
@@ -271,7 +271,7 @@ <h3 class='left m0 panel-title' id='constructor'>
     </h3>
     
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/b8ee7a999f2e789e0fa9e01184b5b3bdfafa231d/src/index.js#L13-L15'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/853814a3951085b297acd3183d672c0f8d7b5d05/src/index.js#L13-L15'>
       <span>src/index.js</span>
       </a>
     
@@ -339,7 +339,7 @@ <h3 class='left m0 panel-title' id='pad'>
     </h3>
     
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/b8ee7a999f2e789e0fa9e01184b5b3bdfafa231d/src/index.js#L51-L55'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/853814a3951085b297acd3183d672c0f8d7b5d05/src/index.js#L51-L55'>
       <span>src/index.js</span>
       </a>
     
@@ -426,7 +426,7 @@ <h3 class='left m0 panel-title' id='tosub'>
     </h3>
     
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/b8ee7a999f2e789e0fa9e01184b5b3bdfafa231d/src/index.js#L61-L63'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/853814a3951085b297acd3183d672c0f8d7b5d05/src/index.js#L61-L63'>
       <span>src/index.js</span>
       </a>
     
@@ -488,7 +488,7 @@ <h3 class='left m0 panel-title' id='tosuper'>
     </h3>
     
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/b8ee7a999f2e789e0fa9e01184b5b3bdfafa231d/src/index.js#L69-L71'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/853814a3951085b297acd3183d672c0f8d7b5d05/src/index.js#L69-L71'>
       <span>src/index.js</span>
       </a>
     
@@ -550,7 +550,7 @@ <h3 class='left m0 panel-title' id='asemoji'>
     </h3>
     
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/b8ee7a999f2e789e0fa9e01184b5b3bdfafa231d/src/index.js#L79-L82'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/853814a3951085b297acd3183d672c0f8d7b5d05/src/index.js#L79-L82'>
       <span>src/index.js</span>
       </a>
     
@@ -613,7 +613,7 @@ <h3 class='left m0 panel-title' id='inbox'>
     </h3>
     
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/b8ee7a999f2e789e0fa9e01184b5b3bdfafa231d/src/index.js#L89-L106'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/853814a3951085b297acd3183d672c0f8d7b5d05/src/index.js#L89-L106'>
       <span>src/index.js</span>
       </a>
     
@@ -690,7 +690,7 @@ <h3 class='left m0 panel-title' id='bespokestring'>
     </h3>
     
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/b8ee7a999f2e789e0fa9e01184b5b3bdfafa231d/src/index.js#L122-L124'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/853814a3951085b297acd3183d672c0f8d7b5d05/src/index.js#L122-L124'>
       <span>src/index.js</span>
       </a>
     
@@ -766,7 +766,7 @@ <h3 class='left m0 panel-title' id='pad'>
     </h3>
     
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/b8ee7a999f2e789e0fa9e01184b5b3bdfafa231d/src/index.js#L133-L135'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/853814a3951085b297acd3183d672c0f8d7b5d05/src/index.js#L133-L135'>
       <span>src/index.js</span>
       </a>
     
@@ -860,7 +860,7 @@ <h3 class='left m0 panel-title' id='box'>
     </h3>
     
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/b8ee7a999f2e789e0fa9e01184b5b3bdfafa231d/src/index.js#L143-L145'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/853814a3951085b297acd3183d672c0f8d7b5d05/src/index.js#L143-L145'>
       <span>src/index.js</span>
       </a>
     
@@ -945,7 +945,7 @@ <h3 class='left m0 panel-title' id='tosubscript'>
     </h3>
     
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/b8ee7a999f2e789e0fa9e01184b5b3bdfafa231d/src/index.js#L152-L154'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/853814a3951085b297acd3183d672c0f8d7b5d05/src/index.js#L152-L154'>
       <span>src/index.js</span>
       </a>
     
@@ -1021,7 +1021,7 @@ <h3 class='left m0 panel-title' id='tosuperscript'>
     </h3>
     
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/b8ee7a999f2e789e0fa9e01184b5b3bdfafa231d/src/index.js#L161-L163'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/853814a3951085b297acd3183d672c0f8d7b5d05/src/index.js#L161-L163'>
       <span>src/index.js</span>
       </a>
     
@@ -1097,7 +1097,7 @@ <h3 class='left m0 panel-title' id='emoji'>
     </h3>
     
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/b8ee7a999f2e789e0fa9e01184b5b3bdfafa231d/src/index.js#L170-L172'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/string/blob/853814a3951085b297acd3183d672c0f8d7b5d05/src/index.js#L170-L172'>
       <span>src/index.js</span>
       </a>
     
diff --git a/package-lock.json b/package-lock.json
index 2d28c05..fc5edb4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@thebespokepixel/string",
-  "version": "0.5.6",
+  "version": "0.5.7",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 163a76a..12a7daf 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@thebespokepixel/string",
-  "version": "0.5.6",
+  "version": "0.5.7",
   "description": "Esoteric string formatting",
   "main": "index.js",
   "module": "index.mjs",
