Regex Tester
Live matching + AI explanations in plain English.
/
/g
3 matches
to generate regex patterns.
3 found
user@example.com
hello@test.org
not-an-email
contact@company.co.uk
Match list
user@example.comhello@test.orgcontact@company.co.uk
Quick reference
.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 class[^abc]Negated class(abc)Capture group(?:abc)Non-capture groupa|bAlternation (a or b)\bWord boundary