WEBBYFOX-OS │ PATH /tools/regex-tester/ │ TOOL REGEX MATCH │ NODE CLIENT-SIDE
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TOOL · /regex · CLIENT-SIDE

$./regex-test --live

Test JavaScript regular expressions live against any input string. Colour-coded match highlighting, flag toggles, capture group breakdown, and a built-in cheat sheet for common regex patterns.

~ / books tools games / regex-tester
~/regex-test.sh — bash
LIVE
/ /
Test String
Match Highlights No pattern
Matches will appear highlighted here
$ cat ./privacy.txt
100% CLIENT-SIDE
◆Uses JavaScript's native RegExp — no external libraries.
◆Your test string and pattern stay in the browser. No network requests.
◆Toggle flags to see how each one changes matching behaviour.