Regex Tester
Write patterns and see matches highlight live. Tune flags, inspect capture groups, and throw ugly patterns at it safely — ReDoS-guarded.
- Runs in your browser
- No upload on server
- Free, forever
- Write a pattern
- Paste test text
- See matches highlighted
//g
Flags
3 matches
Ada Lovelace wrote the first program. Grace Hopper built the first compiler. Linus Torvalds created Linux in 1991.
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