You may be right... I know that it's been shown that NP-Complete problems can be reduced (in P time) to a Perl regex match. But I don't think the proofs I've seen looked at .* vs. .*?. The constructions used backreferences.

In reply to RE: RE (tilly) 2: Regular Expression Optimizer by BlaisePascal
in thread Regular Expression Optimizer by PsychoSpunk

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