On 3/31/2011 10:20 PM, Tim Chase wrote:
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', '---', '++++']
Slightly shorter:
[r for r in (''.join(g) for k, g in groupby(s)) if len(r) > 1]
--
Terry Jan Reedy
--
http://mail.python.org/mailman/listinfo/python-list
