Its a java regular expression helper inspired by regexbuddy, its a desktop client. The code is release under apache license and is presently hosted on Google code.
Source Code:

• Use this command to anonymously check out the latest project source code:
  svn checkout http://regexgeleya.googlecode.com/svn/trunk/ regexgeleya-read-only
  ( Non-members may check out a read-only working copy anonymously over HTTP)
• Use your browser to browse the code.
• You can directly download the binaries too

Updates to come.