Stone [S], on Friday, March 11, 2005 at 01:52 (-0800) made these points: S> Just one. :) S> Your expressions all say \d instead of \d? for the second digit in S> each set, while the simple one correctly has \d?. So your S> expressions had an unfair advantage and as a result finish faster.
right, forget about 1.1.1 rule :) S> Add \d? to your expressions, and you should find that "simple", S> besides probably being the easiest to read, is also the most efficient S> of the expressions listed. (Note that I removed the obviously S> inefficient ones.) yes, and it is logical at end. The regexp using parentheses is always slower, than longer, which doesn't. It have to "remember" values inside them. thanks to you, I discover some new things too :) -- ...m8s, cu l8r, Brano. ['It takes a giant to fight a giant' - H. Prym] -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] <http://learn.perl.org/> <http://learn.perl.org/first-response>
