Regex Tester for Web Analytics

This utility helps you test regular expressions (regex) before you use them in your web analytics tool.

Urchin was discontinued by Google in 2012. Angelfish Software is a suitable replacement.


  1. Enter the regex pattern.
  2. Enter items you want the regex to try to match.
  3. Click the “Test Regex” button.
  4. The items matched will display in the Regex Matches section.

List of valid RegEx characters

Regex Pattern

Enter Items to Test (one per line)

Regex Matches

Next Steps

It’s a good idea to apply all regex changes in a dev/test environment before applying them to your production reports.