Bugs item #449000, was opened at 2001-08-07 21:37
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Category: Regular Expressions
Group: Python 2.2
>Status: Closed
>Resolution: Out of Date
Priority: 6
Submitted By: Guido van Rossum (gvanrossum)
Assigned to: Fredrik Lundh (effbot)
Summary: re.sub(r'\n', ...) broke
Initial Comment:
Fredrik,
I believe the latest changes to re.sub() broke an
endcase in re.sub().
I used to be able to write r'\n' as a pattern and it
would do the same thing as '\n'.
Now this doesn't work any more; '\n' works but r'\n'
doesn't seem to do anything.
I'm guessing this is an endcase handled wrong in the
most recent checkin ("map re.sub() to string.replace(),
when possible" sounds suspicious to me). I haven't
verified this hypothesis, but it still works in 2.1.1
and is broken in current CVS.
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>Comment By: Fredrik Lundh (effbot)
Date: 2001-10-21 10:25
Message:
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the string.replace hack is no longer relevant in
SRE 2.2.1 (where sub/subn is implemented in C)
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Comment By: Guido van Rossum (gvanrossum)
Date: 2001-09-05 10:58
Message:
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Fredrik, when will you have time to fix this? There is
currently a large amount of code checked in that is disabled
because it's buggy...
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Comment By: Guido van Rossum (gvanrossum)
Date: 2001-08-20 20:47
Message:
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Lowered priority -- this won't need to hold up the 2.2a2
release.
(But /F, if you fix it before Wednesday, it may still make
it into 2.2a2.)
----------------------------------------------------------------------
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