July 2004 - Posts

• Being greedy - over and over again!

  Do you think that you could spot a regex pattern which could could "hang" when it was run? Do you think that you could write a routine which checked for such conditions? I bet you could! Recently I blogged about a new feature on RegexLib.com whereby patterns Read More... Posted Wednesday, July 28, 2004 10:28 PM by digory | 5 Comments Filed under: Samples, Bugs and Suggested Improvements

• Running matches Asynchronously for a bit of protection

  I've recently had some problems on the RegexLib.com site with long running patterns causing the process to require re-starting. In case you can't imagine, having a site like RegexLib.com running thousands of patterns per day is a potential recipe for Read More... Posted Tuesday, July 27, 2004 12:19 AM by digory | 19 Comments Filed under: RegexLib, Resources, Bugs and Suggested Improvements

• Parsing Url's

  Today I saw a request for some help on the Regex List for parsing a Url and replacing a single QueryString value. In general, if your language supports it you shouldn't really use regex's for things like parsing: Dates, Filepaths, Urls etc. You should Read More... Posted Thursday, July 22, 2004 5:00 PM by digory | 3 Comments Filed under: Samples