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Fix e-mail regular expression #15

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Fix e-mail regular expression #15

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5f24825
Update 14-Strings-and-Regular-Expressions.ipynb
gnramos Dec 26, 2017
4326cf8
Merge pull request #1 from gnramos/gnramos-patch-1
gnramos Dec 26, 2017
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8 changes: 4 additions & 4 deletions 14-Strings-and-Regular-Expressions.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -1863,15 +1863,15 @@
}
],
"source": [
"email2 = re.compile(r'[\\w.]+@\\w+\\.[a-z]{3}')\n",
"email2 = re.compile(r'[\\w\\.]+@\\w+\\.[a-z]{3}')\n",
"email2.findall('barack.obama@whitehouse.gov')"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"We have changed ``\"\\w+\"`` to ``\"[\\w.]+\"``, so we will match any alphanumeric character *or* a period.\n",
"We have changed ``\"\\w+\"`` to ``\"[\\w\\.]+\"``, so we will match any alphanumeric character *or* a period.\n",
"With this more flexible expression, we can match a wider range of email addresses (though still not all – can you identify other shortcomings of this expression?)."
]
},
Expand All @@ -1892,7 +1892,7 @@
},
"outputs": [],
"source": [
"email3 = re.compile(r'([\\w.]+)@(\\w+)\\.([a-z]{3})')"
"email3 = re.compile(r'([\\w\\.]+)@(\\w+)\\.([a-z]{3})')"
]
},
{
Expand Down Expand Up @@ -1946,7 +1946,7 @@
}
],
"source": [
"email4 = re.compile(r'(?P<user>[\\w.]+)@(?P<domain>\\w+)\\.(?P<suffix>[a-z]{3})')\n",
"email4 = re.compile(r'(?P<user>[\\w\\.]+)@(?P<domain>\\w+)\\.(?P<suffix>[a-z]{3})')\n",
"match = email4.match('guido@python.org')\n",
"match.groupdict()"
]
Expand Down