Matthew Barnett <pyt...@mrabarnett.plus.com> added the comment:
Instead of a new flag, a '*' could be put after the quantifier, eg:
(\d+)(?:\.(\d+)){3}*
MatchObject.group(1) would be a string and MatchObject.group(2) would be
a list of strings.
The group references could be \g<1>, \g<2:0>, \g<2:1>, \g<2:2>.
However, I think that it's extending regexes too far; something else
should be used, eg pyparsing or some type of context-free grammar with
optional constraints.
-1 from me
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nosy: +mrabarnett
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue7132>
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