Stage for upstream 2.7b now has an alternative method. OrURLs URL "Url1" URL "Url2" ... End
Patterns are combined into a single ((url1)|(url2)) string and compiled as one pattern. Joe > -----Original Message----- > From: Robert Segall [mailto:[email protected]] > Sent: Tuesday, July 02, 2013 10:21 AM > To: [email protected] > Subject: Re: [Pound Mailing List] multiple URLs configured on Pound not > working > > On Mon, 2013-07-01 at 20:31 +0000, Joe Gooch wrote: > > ... Then it’s a single regex match. (Albeit a complicated one… I’ve > > never benchmarked 1000 regex_matches vs a pattern with 1000 ors) > > A regex match runs in O(len(S)), where S is the string being matched. > The complexity of the pattern makes no real difference, it is compiled > to an optimised finite state machine. You pay a few bytes in memory > usage, but at runtime it is just a table look-up. > > 1000 regex matches would be 1000 times slower! > -- > Robert Segall > Apsis GmbH > Postfach, Uetikon am See, CH-8707 > Tel: +41-32-512 30 19 > > > -- > To unsubscribe send an email with subject unsubscribe to > [email protected]. > Please contact [email protected] for questions.
