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| Date | Thu, 31 Mar 2011 20:58:42 -0500 |
| From | Tim Chase <python.list@tim.thechases.com> |
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| Subject | Re: Extracting subsequences composed of the same character |
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On 03/31/2011 07:43 PM, candide wrote:
> Suppose you have a string, for instance
>
> "pyyythhooonnn ---> ++++"
>
> and you search for the subquences composed of the same character, here
> you get :
>
> 'yyy', 'hh', 'ooo', 'nnn', '---', '++++'
>>> import re
>>> s = "pyyythhooonnn ---> ++++"
>>> [m.group(0) for m in re.finditer(r"(.)\1+", s)]
['yyy', 'hh', 'ooo', 'nnn', '---', '++++']
>>> [(m.group(0),m.group(1)) for m in re.finditer(r"(.)\1+", s)]
[('yyy', 'y'), ('hh', 'h'), ('ooo', 'o'), ('nnn', 'n'), ('---',
'-'), ('++++', '+')]
-tkc
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Extracting subsequences composed of the same character candide <candide@free.invalid> - 2011-04-01 02:43 +0200 Re: Extracting subsequences composed of the same character MRAB <python@mrabarnett.plus.com> - 2011-04-01 02:16 +0100 Re: Extracting subsequences composed of the same character Roy Smith <roy@panix.com> - 2011-03-31 21:40 -0400 Re: Extracting subsequences composed of the same character Tim Chase <python.list@tim.thechases.com> - 2011-03-31 20:58 -0500 Re: Extracting subsequences composed of the same character Tim Chase <python.list@tim.thechases.com> - 2011-03-31 21:20 -0500 Re: Extracting subsequences composed of the same character Terry Reedy <tjreedy@udel.edu> - 2011-04-01 00:18 -0400 Re: Extracting subsequences composed of the same character candide <candide@free.invalid> - 2011-04-01 21:39 +0200
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