Regex Tester

Regex Tester for everyday developer debugging.

Use Regex Tester to test regular expressions directly in the browser. It is designed for quick API, configuration, and text debugging workflows.

Open Edge Tools

Browser-side developer utility

This tool runs in the browser for fast checks during API debugging, CI work, and configuration review.

Common uses

  • Check JavaScript regex patterns
  • Inspect match indexes and groups
  • Test flags such as g, i, and m
  • Debug log or API text extraction

Regex Tester FAQ

Does this tool upload input?

No. This browser-side utility processes input locally in your browser.