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Regex Tester

g finds all matches, i ignores case, m makes ^/$ work per line and s lets the dot match line breaks.

Test JavaScript regular expressions live; highlight matches in the text and inspect capture groups in a table. Runs entirely in your browser.

/ /

Test text

Matches

#	Match	Index	Groups

Which regex engine is used?

Your browser's JavaScript engine. The syntax largely matches .NET's Regex; lookbehind and named groups ((?<name>...)) are supported too.

g finds all matches, i ignores case, m makes ^/$ work per line and s lets the dot match line breaks.