On Fri, Jan 25, 2002 at 11:31:37AM -0600, [EMAIL PROTECTED] wrote: > Greetings, On Friday, January 25, 2002, at 10:56 AM, > [EMAIL PROTECTED] wrote: > > > /[fF][oO][oO]/ better than /foo/i > > > > That'd be Mr. RE Jeffrey Freidl in the Mastering RE/Owl book. > > The parser > > has to do less backtracking or something. > > > I have to disagree; while I have read the RE/Owl (I hear there is > another in the works?) I feel that > > /[fF][oO][oO]/ lacks clarity over /foo/i > > > You are correct, its butt-ugly but pg 280 goes over the details. For the > word while (ugly vs. /i) /i is 50 times slower. While he gets it down to > a mere 77% slower and cautions not to get hung up about it, it is worth > thinking about if you need the speed, esp. w/ a big RE.
I've heard the claim "50 times slower" often. But, although Benchmark.pm should make it easy, I've yet to see anyone actually supporting their claim with any evidence. Cargo-cult programming is bad, but making cargo-cult claims is as bad. Abigail
