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Processed locally

Regex Tester

Run a regular expression against sample text in your browser and list match positions plus captured groups without executing arbitrary JavaScript.

Input stays in this browser.
How it works

Immediate local processing.

  1. 1. Enter your input. Paste text, a value or the data this utility expects.
  2. 2. Adjust the relevant options. The result updates locally as your input changes.
  3. 3. Copy the result. No remote conversion roundtrip is required.
Common uses

Useful when you need to…

  • Clean or transform regex tester input
  • Work with copied data without a remote utility service
  • Create a result you can copy immediately

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Questions about Regex Tester

Does this tool send my input to a server?

No. This utility runs on the text or values in your current browser session.

Do I need a Premier account?

No. Premier Tools can be used without signing in.

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