Regex Tester

Free · Secure · No signup required

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About Regex Tester

Regex Tester is a free online tool from ToolsMaza that lets you test and debug regular expressions with live matching. No installation, no signup and no watermarks — just open the page and go.

It runs right in your browser, so it's fast and private: All processing happens locally in your browser for full privacy. Whether you're on desktop or mobile, regex tester works instantly and is completely free to use as often as you like.

How to use Regex Tester

  1. Enter your textType or paste your text into the field above. Regex Tester updates as you work.
  2. Pick your settingsSelect any options and press the action button to transform your input.
  3. Copy or downloadGrab your result with one click — copy it to your clipboard or download it instantly.

Why use Regex Tester?

100% freeUse Regex Tester as much as you want. No fees, no limits and no account needed.
Private & secureAll processing happens locally in your browser for full privacy.
Instant resultsEverything happens in your browser, so there are no slow uploads or queues.
Works everywhereRuns in any modern browser on Windows, macOS, Linux, Android and iOS.

Frequently asked questions

Yes. Regex Tester is completely free with no hidden charges, no subscription and no usage limits.

No account or sign-up is needed. Just open Regex Tester and start using it straight away.

All processing happens locally in your browser for full privacy. Nothing you use here is stored or shared.

Yes, Regex Tester works on phones and tablets as well as desktop browsers.

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