Publisher:RegExLab.com OSSupport:Windows 95/98/NT/2000/XP/2003 License:Shareware $29.95 to buy Size:358 KB Regex Match Tracer is a tool to compose and debug regular expressions. Regex Match Tracer 2.0 provides a visual environment to you.In the pattern edit box, different parts of regular expressions are displayed in different color. While the pattern changing, the tree structure and the capture-group information will be updated synchronously. The current element around the cursor will be highlighted when the caret's position changes.