Help me composite some regex. (That phrasing makes this question sound way less nerdy than it is) [more inside]
posted on Dec 28, 2007 - 13 answers

What's a regular expression to match and replace space characters between curly braces with under scores? [more inside]
posted on Jan 21, 2007 - 20 answers

HtAccessFilter: I’m seeking regular expressions to describe URLs that encompass search engines’ image and video search engines, but not the engines themselves, so that I can block said image and video search engines using “SetEnvIfNoCase Referer” in .htaccess. Also, I’m also seeking to block all incoming requests for one particular URL which is popular with these video and image search engines but which no longer exists – but I don’t want to serve them the normal 404. [more inside]
posted on Jan 5, 2006 - 6 answers

Well, what do you know, err.. what do I know, Google does support some sort of regular expressions. However, I can't find the usage guide. Anyone?
posted on Jul 28, 2005 - 11 answers

Using wildcards in virtusertable for sendmail: resources, pointers, and simple examples, please. Google-fu fails to provide examples that answer my questions. [emm eye]
posted on Jul 7, 2004 - 3 answers