Leveraging the power of the XRegExp JavaScript regular expression library, RegexTool delivers an efficient and helpful interface to create, diagnose, and test your regular expressions.

Demo

source @ github.com

Features

• The XRegExp library adds new syntax and flags to the standard JavaScript regular expression library.
• Offline access via browser application cache.
• HTML5 Storage to save your data in between sessions.

Dual licensed under the MIT and GPL licenses.