New submission from Vajrasky Kok:
$ ./python --version
Python 2.7.5+
$ ./python
Python 2.7.5+ (2.7:062533327ad2, Aug 19 2013, 22:44:52)
[GCC 4.7.2 20121109 (Red Hat 4.7.2-8)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import re
>>> re.escape('_')
'\\_'
Python 3.3 and 3.4 got it right and don't escape the underscore.
Because many people are still doing their livelihoods with Python 2.7 and I am
a compassionate person, here is the patch to fix the bug in Python 2.7.
----------
components: Regular Expressions
files: dont_escape_underscore_in_regex_27.patch
keywords: patch
messages: 195638
nosy: ezio.melotti, mrabarnett, vajrasky
priority: normal
severity: normal
status: open
title: re.escape escapes underscore (Python 2.7)
type: behavior
versions: Python 2.7
Added file:
http://bugs.python.org/file31373/dont_escape_underscore_in_regex_27.patch
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue18781>
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