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Groups > comp.lang.python > #17385
| From | John Gordon <gordon@panix.com> |
|---|---|
| Newsgroups | comp.lang.python |
| Subject | Re: re.sub(): replace longest match instead of leftmost match? |
| Date | 2011-12-16 21:06 +0000 |
| Organization | PANIX Public Access Internet and UNIX, NYC |
| Message-ID | <jcgbru$nnj$2@reader1.panix.com> (permalink) |
| References | <jcfsrk$skh$1@reader1.panix.com> <4EEB81B3.6020600@mrabarnett.plus.com> <CALwzidnvZOhNi_YFsp__e=C==12CtZ4QaJeDZESJxTqPn4ojpg@mail.gmail.com> <mailman.3742.1324058429.27778.python-list@python.org> |
In <mailman.3742.1324058429.27778.python-list@python.org> Ian Kelly <ian.g.kelly@gmail.com> writes:
> >>> I'm also looking for a regexp that will remove leading zeroes in each
> >>> four-digit group, but will leave a single zero if the group was all
> >>> zeroes.
> pattern = r'\b0{1,3}([1-9a-f][0-9a-f]*|0)\b'
> re.sub(pattern, r'\1', string, flags=re.IGNORECASE)
Perfect. Thanks Ian!
--
John Gordon A is for Amy, who fell down the stairs
gordon@panix.com B is for Basil, assaulted by bears
-- Edward Gorey, "The Gashlycrumb Tinies"
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re.sub(): replace longest match instead of leftmost match? John Gordon <gordon@panix.com> - 2011-12-16 16:49 +0000
Re: re.sub(): replace longest match instead of leftmost match? Devin Jeanpierre <jeanpierreda@gmail.com> - 2011-12-16 11:56 -0500
Re: re.sub(): replace longest match instead of leftmost match? John Gordon <gordon@panix.com> - 2011-12-16 21:04 +0000
Re: re.sub(): replace longest match instead of leftmost match? MRAB <python@mrabarnett.plus.com> - 2011-12-16 21:36 +0000
Re: re.sub(): replace longest match instead of leftmost match? Duncan Booth <duncan.booth@invalid.invalid> - 2011-12-19 15:46 +0000
Re: re.sub(): replace longest match instead of leftmost match? MRAB <python@mrabarnett.plus.com> - 2011-12-16 17:36 +0000
Re: re.sub(): replace longest match instead of leftmost match? Ian Kelly <ian.g.kelly@gmail.com> - 2011-12-16 10:57 -0700
Re: re.sub(): replace longest match instead of leftmost match? Ian Kelly <ian.g.kelly@gmail.com> - 2011-12-16 10:59 -0700
Re: re.sub(): replace longest match instead of leftmost match? John Gordon <gordon@panix.com> - 2011-12-16 21:06 +0000
Re: re.sub(): replace longest match instead of leftmost match? MRAB <python@mrabarnett.plus.com> - 2011-12-16 18:19 +0000
Re: re.sub(): replace longest match instead of leftmost match? Roy Smith <roy@panix.com> - 2011-12-16 13:36 -0500
Re: re.sub(): replace longest match instead of leftmost match? John Gordon <gordon@panix.com> - 2011-12-16 21:07 +0000
Re: re.sub(): replace longest match instead of leftmost match? Terry Reedy <tjreedy@udel.edu> - 2011-12-16 17:26 -0500
Re: re.sub(): replace longest match instead of leftmost match? ting@thsu.org - 2011-12-19 15:15 -0800
Re: re.sub(): replace longest match instead of leftmost match? Ian Kelly <ian.g.kelly@gmail.com> - 2011-12-19 19:58 -0700
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