FREE TOOL / DEVELOPER

Regular Expression Tester

Find regular-expression matches and capture groups in text, privately in your browser.

Runs in your browser
Regular Expression TesterYour input stays on this device

How to use this tool

  1. Enter your information and choose any options.
  2. Run the tool to see the result.
  3. Copy the result if you need it elsewhere.

Good to know

Finds up to 100 matches. Flags g, i, m, s, and u are supported; expressions that take too long are stopped. Processing happens in your browser.