RegEx Buddy
http://www.regexbuddy.com/ By far the BEST regular expression design and test tool out there. Written by Jan Goyvaerts, co-author of the O’Reilly book, “Regular Expressions Cookbook.” Reasonably priced, liberal license (pay once per developer, use anywhere). During a requirements meeting, a business analyst hands me a code fragment. Doesn’t understand what it does, but says we … Read moreRegEx Buddy