Regex Tester
Test regular expressions with real-time match highlighting and capture groups.
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Cheatsheet
.Any character\dDigit [0-9]\wWord char [a-zA-Z0-9_]\sWhitespace^Start of string$End of string*0 or more+1 or more?0 or 1 (optional){n,m}Between n and m[abc]Character set[^abc]Negated set(abc)Capture group(?:abc)Non-capture groupa|bAlternation(?=abc)Lookahead(?<=abc)Lookbehind\bWord boundary