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Freela

Regex tester online

Regex tester online. Format, encode or inspect developer snippets locally. Files and text stay on your device — Freela does not upload them.

Local only

Processed locally in your browser

TXTTEXT
  1. 1Run in the browser
  2. 2Download or copy
  • TXT

Supported formats: Input: pattern plus text. Output: match list.

  • TXT

How to use

  1. Enter a pattern and optional flags.
  2. Paste sample text.
  3. Inspect matches and capture groups.

Examples

  • Debug an email-like pattern before putting it in a form.
  • Extract issue IDs from a paste of commit messages.

Questions

Does this tool upload my files?
No. Published Freela tools in this release are LOCAL_ONLY and run in the browser.
Is it free to use?
Yes. There is no paywall on this page and we do not invent reviews or star ratings.
What input does this page accept?
Regex tester online: regex tester. LOCAL_ONLY.
Are lookbehinds supported?
If your browser’s JS engine supports them. We do not polyfill older engines.
Can a regex freeze the tab?
Pathological patterns can. We stop after a bounded number of matches; we cannot fully sandbox the engine.