04 · dev-tool
Regex Visualizer
Type a pattern; matches highlight live, capture groups get their own colour, and every token is explained in plain English. Matching runs in a Web Worker with a timeout, so even a catastrophic-backtracking pattern can't freeze the page.
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matches
Reach me at [email protected] or [email protected], but not at foo@.
[\w.+-]any one of: \w, ., +, -+the previous token, one or more times@the literal character "@"[\w-]any one of: \w, -+the previous token, one or more times\.the literal character "."[\w.-]any one of: \w, ., -+the previous token, one or more times
flags
gglobal: find all matches, not just the first