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Created on 2016-08-24 15:57 by Dan Wilt, last changed 2022-04-11 14:58 by admin. This issue is now closed.
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| File name | Uploaded | Description | Edit | |
| re_bug.py | Dan Wilt, 2016-08-24 15:57 | MWE for re bug | ||
| Messages (3) | |||
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| msg273575 - (view) | Author: Dan Wilt (Dan Wilt) | Date: 2016-08-24 15:57 | |
Working with re.sub() noted strange behavior with re.I set, seems like a bug. Noted in both Python 2.7.12 and Python 3.5.2, Anaconda custom build (32-bit) on Windows 7.
>>> import re
>>> re.sub('\.', '', '.....')
''
>>> re.sub('\.', '', '.....', re.I)
'...'
>>> re.sub('\.', '', '.....', re.L)
'.'
The first case is the expected behavior, the second and third aren't. Oddly enough,
>>> re.sub('\.', '', '.....', re.L | re.I)
''
MWE file attached (python3)
Thanks, I'm a heavy python user, but not all that advanced - hope this is helpful and I'm not just being stupid.
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| msg273576 - (view) | Author: R. David Murray (r.david.murray) *  |
Date: 2016-08-24 15:59 | |
I really wish we could "fix" this somehow, since we get an issue opened for it probably every two or three months. The fourth argument to re.sub is the count, not the flags. |
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| msg273584 - (view) | Author: Dan Wilt (Dan Wilt) | Date: 2016-08-24 18:28 | |
Thanks! That helps. I apologize for raising a non-existent issue. Dan On Wed, Aug 24, 2016 at 11:59 AM, R. David Murray <report@bugs.python.org> wrote: > > R. David Murray added the comment: > > I really wish we could "fix" this somehow, since we get an issue opened > for it probably every two or three months. > > The fourth argument to re.sub is the count, not the flags. > > ---------- > nosy: +r.david.murray > resolution: -> not a bug > stage: -> resolved > status: open -> closed > > _______________________________________ > Python tracker <report@bugs.python.org> > <https://bugs.python.org/issue27851> > _______________________________________ > |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2022-04-11 14:58:35 | admin | set | github: 72038 |
| 2016-08-24 18:28:02 | Dan Wilt | set | messages: + msg273584 |
| 2016-08-24 15:59:54 | r.david.murray | set | status: open -> closed nosy: + r.david.murray messages: + msg273576 resolution: not a bug stage: resolved |
| 2016-08-24 15:57:11 | Dan Wilt | create | |