Regex Visualizer

Test a regular expression against sample input, highlight matches with capture groups, and get a short explanation of the pattern.

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Regex cheat sheet

• . any char · \w word · \d digit · \s whitespace
• * 0+ · + 1+ · ? 0 or 1 · {n,m} range
• ^ start · $ end · [abc] char class · [^abc] negated
• (x) group · (?:x) non-capturing · x|y or