Re: Perl 5's "non-greedy" matching can be TOO greedy!
[email protected] (Tom Christiansen) Fri, 15 Dec 2000 13:46:56 -0700
| Newsgroups | perl.perl6.language.regex |
|---|---|
| Message-ID | <7182.976913216@chthon> |
>Actually, I'm not sure -- it's conceivable that the ending point would ALSO >move inward for a different starting point within the original match. But >the ending point should NEVER be advanced further -- that's where the >"leftmost over nongreedy" rule should apply instead... Please show us your implementation for a pattern matching engine that lets the current end-point vary. This is very exciting, because now you can relax the restriction that lookbehinds must be constant width. --tom