[issue2636] Regexp 2.7 (modifications to current re 2.2.2)
Vlastimil Brom
report at bugs.python.org
Mon Feb 22 23:51:34 CET 2010
Vlastimil Brom <vlastimil.brom at gmail.com> added the comment:
Is the issue2636-20100222.zip archive supposed to be complete? I can't find not only the rst or html "features", but more importantly the py and pyd files for the particular versions.
Anyway, I just skimmed through the regular-expressions.info documentation and found, that most features, which I missed in the builtin re version seems to be present in the regex module;
a few possibly notable exceptions being some unicode features:
http://www.regular-expressions.info/unicode.html
support for unicode script properties might be needlessly complex (maybe unless http://bugs.python.org/issue6331 is implemented)
On the other hand \X for matching any single grapheme might be useful, according to the mentioned page, the currently working equivalent would be
\P{M}\p{M}*
However, I am not sure about the compatibility concerns; it is possible, that the modifier characters as a part of graphemes might cause some discrepancies in the text indices etc.
A feature, where i personally (currently) can't find a usecase is \G and continuing matches (but no doubt, there would be some some cases for this).
regards
vbr
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