On Tue, 20 May 2008, Dmitry Vasiliev wrote:
> I've just found a strange re behavior:
>
> >>> import re
> >>> re.sub("(?:ab|b|a)", "+", "cbacbabcabc")
> 'c++c++c+c'
> >>> re.sub("(?:ab|b|a){2}", "+", "cbacbabcabc")
> 'c+c+c+c'
>
> In the last case |-separated expressions seems don't tried from left to right.
> Is it bug or just me?What were you expecting, 'c+c+cabc'? The re engine should try everything possible for a match with the entire re, not just match the first thing it finds for each section. -- Cheers, Leif _______________________________________________ Python-Dev mailing list [email protected] http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
