Regex Tester

Test regular expressions

How to use

  1. Upload or input your file/content
  2. Configure any options if needed
  3. Click process and download your result

This tool runs entirely in your browser. Your data never leaves your device.

Tool component for regex-tester — implement per-tool UI

Frequently Asked Questions

What is Regex Tester?
Test regular expressions
Is Regex Tester free to use?
Yes, Regex Tester is free to use. No signup required. Pro unlocks higher limits and premium tools.