[issue9179] Lookback with group references incorrect (two issues?)
report at bugs.python.org
Tue Jul 6 17:52:07 CEST 2010
Matthew Barnett <python at mrabarnett.plus.com> added the comment:
Should a regex compile if a group is referenced before it's defined?
Other regex implementations permit forward references to groups.
BTW, I had a look at the re module, found it too difficult, and so started on my own implementation of the matching engine (available on PyPI).
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