Tom Phoenix wrote: > On 3/10/06, Jay Savage <[EMAIL PROTECTED]> wrote: > >>Are the two shorter matches more efficient than a single one >>for some reason? > > Probably; smaller, simpler patterns give the regular expression engine > more room for optimizations. The order of the two patterns may also > make a difference, but anything could be fastest, depending upon the > data. The only way to know for sure is benchmarking.
Thanks Tom. For a complete discussion of regular expression optimisations read this book: http://www.oreilly.com/catalog/regex2/ :-) John -- use Perl; program fulfillment -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] <http://learn.perl.org/> <http://learn.perl.org/first-response>
