[issue814253] Grouprefs in lookbehind assertions

[Matthew Barnett]

Matthew Barnett added the comment:

Issue #2636 resulted in the regex module, which supports variable-length look-behinds.

I don't know how much work it would take even to put a limited fixed-length look-behind fix for this into the re module, so I'm afraid the issue must remain open.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue814253>
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