[issue694374] Recursive regular expressions

Matthew Barnett added the comment: FYI, I did eventually add it to my regex implementation. It was quite challenging! -- ___ Python tracker ___

[issue694374] Recursive regular expressions

R. David Murray added the comment: Agreed that this is unlikely to ever get implemented given that Matthew doesn't think it should be. -- assignee: niemeyer -> nosy: +r.david.murray resolution: -> rejected stage: -> committed/rejected status: open -> closed _

[issue694374] Recursive regular expressions

Mark Lawrence added the comment: Closing because of quote from msg83993 "Another feature request that I've decided not to consider any further is recursive regular expressions. There are other tools available for that kind of thing, and I don't want the re module to go the way of Perl 6's rul

[issue694374] Recursive regular expressions

Matthew Barnett added the comment: There are 2 reasons: 1. I've been told that my current patches contain too many differences from the current implementation, so basically I have to go back to the start and introduce any changes a little at a time, without knowing whether any particular change

[issue694374] Recursive regular expressions

Peter Waller added the comment: It looks like Matthew has dropped this feature from consideration. See msg83993 . -- nosy: +pwaller ___ Python tracker ___

[issue694374] Recursive regular expressions

Matthew Barnett <[EMAIL PROTECTED]> added the comment: Perl (?number) for calling numbered groups and (?&name) for named groups (Perl also supports (?P>name)). (?R) is equivalent to (?0). It's interesting that the documentation for both Perl and PCRE say that they support (?P>name) because that

[issue694374] Recursive regular expressions

Jeffrey C. Jacobs <[EMAIL PROTECTED]> added the comment: The PCRE has some interesting suggestions on how the grammar for a recursive regular expressions might work. I am concerned about the use of (?P>name) to call a regexp subexpression as an atomic subroutine. The (? P>name) format has nev

[issue694374] Recursive regular expressions

Matthew Barnett <[EMAIL PROTECTED]> added the comment: I'll have a look at this. No promises, though. -- nosy: +mrabarnett ___ Python tracker <[EMAIL PROTECTED]> ___

[issue694374] Recursive regular expressions

Changes by Jeffrey C. Jacobs <[EMAIL PROTECTED]>: -- nosy: +timehorse versions: +Python 2.7 ___ Python tracker <[EMAIL PROTECTED]> ___ ___