Free tool
Python regex tester
Type a pattern, type test text, get matches instantly. Every keystroke re-runs your pattern through Python's real re module (running in your browser via Skulpt), so lookbehinds, named groups, and verbose mode work exactly as Python 3 does — no JavaScript-regex quirks.
Matches
● loading Python…
Try me!
Emails to catch: alice@example.com, bob@test.org
Not emails: hello world, no domain here.
Change the pattern above, then edit this text.
Real Python. Not a JavaScript regex approximation.
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