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| Date | Thu, 31 Mar 2011 21:20:29 -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: > "pyyythhooonnn ---> ++++" > > and you search for the subquences composed of the same character, here > you get : > > 'yyy', 'hh', 'ooo', 'nnn', '---', '++++' Or, if you want to do it with itertools instead of the "re" module: >>> s = "pyyythhooonnn ---> ++++" >>> from itertools import groupby >>> [c*length for c, length in ((k, len(list(g))) for k, g in groupby(s)) if length > 1] ['yyy', 'hh', 'ooo', 'nnn', '---', '++++'] -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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