Regex Tester
Test your regular expressions with this online tool.
//g
0results
Common Regexes
Syntax Reference
Character Classes
.Any character (except newline)\wWord character (a-z, A-Z, 0-9, _)\dDigit (0-9)\sWhitespace (space, tab, newline)[abc]Any of a, b, or c[^abc]Not a, b, or c[a-g]Character between a & g
Anchors
^Start of string/line$End of string/line\bWord boundary
Quantifiers
*0 or more+1 or more?0 or 1{3}Exactly 3{3,}3 or more{3,6}Between 3 and 6
Groups & Lookaround
(...)Capturing group(?:...)Non-capturing group$1First captured group
Test your regular expressions against any string with this online regex tester. Supports JavaScript regex.