[Python-bugs-list] [ python-Bugs-451107 ] re.sub does not replace slahes (2.2a1)

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Bugs item #451107, was opened at 2001-08-15 01:34
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Category: Regular Expressions
Group: Python 2.2
>Status: Closed
>Resolution: Duplicate
Priority: 5
Submitted By: Mihai (muqker)
Assigned to: Fredrik Lundh (effbot)
Summary: re.sub does not replace slahes (2.2a1)

Initial Comment:
Python  2.2a1:
>>> re.findall ('\\', 'a\')
['\']

but

>>> re.sub ('\\', 'b', 'a\')
'a\'
>>>

Python 2.0.1:
>>> re.sub ('\\', 'b', 'a\')
'ab'
>>>

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>Comment By: Guido van Rossum (gvanrossum)
Date: 2001-08-22 01:30

Message:
Logged In: YES 
user_id=6380

Closing as duplicate of bug 449000.

This will be fixed in 2.2a2, through a work-around that
disables an optimization that causes this problem -- I hope
a real fix will be available in 2.2a3.

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