regex tester
type a pattern and test text to see highlighted matches and capture groups live.
runs on your device · free · no sign-up
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frequently asked questions
which regex flavor is used?
javascript (ecmascript) regular expressions, the same engine as your browser, with flags g, i, m, s and u.
how are groups shown?
each match lists numbered groups and named groups from (?<name>...) in a table.
is my text uploaded?
no. matching runs locally in your browser.