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Re^3: regex bug in perl 5.8.7

by mr_mischief (Monsignor)
on May 25, 2007 at 21:38 UTC ( #617614=note: print w/replies, xml ) Need Help??


in reply to Re^2: regex bug in perl 5.8.7
in thread regex bug in perl 5.8.7

IIRC, demerphq has rewritten a substantial portion of the the regex system. If there are any bugs in it, they're likely new and different ones instead of the ones in earlier perls.


Christopher E. Stith

Replies are listed 'Best First'.
Re^4: regex bug in perl 5.8.7
by dave_the_m (Monsignor) on May 25, 2007 at 22:01 UTC
    IIRC, demerphq has rewritten a substantial portion of the the regex system. If there are any bugs in it, they're likely new and different ones instead of the ones in earlier perls.
    Well roughly speaking, I ripped the guts of the run-time engine into lots of little pieces and stuck them back together in such a way that it's no longer recursive and has a single unified backtrack stack, while demerphq added lots of new exciting features and fixed lots of bugs. But large chunks of the original code remain untouched by either of us and so still have any original bugs lurking within.

    Dave.

      Sorry to leave you out of the previous response, Dave. I don't keep track of the list summaries as closely as I once did. Thanks for the clarification and for the work you've done on the regex engine.

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