February 2008
Apple - Downloads - Dashboard Widgets - Regex Widget
by Xavier LacotAn interactive widget for trying out regular expressions for JavaScript, and other languages (such as Sed, Ruby, or Perl). It has a simple user interface, case insensitive switch, global switch, and match index array view.
March 2007
reggy - Google Code
by marco & 2 othersReggy is a small OS X cocoa/objective-c application to very quickly visualize what a given regular expression will match given a test string. It will also tell you if you have errors in your regular expression
1
(2 marks)