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Groups > comp.lang.python > #92055

Re: Regular Expression

From Peter Otten <__peter__@web.de>
Subject Re: Regular Expression
Date 2015-06-04 16:00 +0200
Organization None
References <c85bc324-37fe-469e-b3b1-b1d4e51bf7d8@googlegroups.com>
Newsgroups comp.lang.python
Message-ID <mailman.162.1433426457.13271.python-list@python.org> (permalink)

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Palpandi wrote:

> This is the case. To split "string2" from "string1_string2" I am using
> re.split('_', "string1_string2", 1)[1].
> 
> It is working fine for string "string1_string2" and output as "string2".
> But actually the problem is that if a sting is "__string1_string2" and the
> output is "_string1_string2". It is wrong.
> 
> How to fix this issue?

Use str.rpartion():

>>> "one_two__three".rpartition("_")[-1]
'three'

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Thread

Regular Expression Palpandi <palpandi111@gmail.com> - 2015-06-04 06:36 -0700
  Re: Regular Expression Larry Martell <larry.martell@gmail.com> - 2015-06-04 09:43 -0400
  Re: Regular Expression Steven D'Aprano <steve@pearwood.info> - 2015-06-04 23:54 +1000
  Re: Regular Expression Tim Chase <python.list@tim.thechases.com> - 2015-06-04 08:48 -0500
  Re: Regular Expression Peter Otten <__peter__@web.de> - 2015-06-04 16:00 +0200
  Re: Regular Expression Laura Creighton <lac@openend.se> - 2015-06-04 16:21 +0200

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