Test and debug regular expressions in real-time
. Any character\d Digit [0-9]\w Word [A-Za-z0-9_]\s Whitespace[abc] a, b, or c[^abc] Not a, b, or c* 0 or more+ 1 or more? 0 or 1{n} Exactly n{n,} n or more{n,m} Between n and m^ Start of string$ End of string\b Word boundary(abc) Capture group(?:abc) Non-capture groupa|b a or bTest your regular expressions instantly with our free online regex tester. See match results highlighted in real-time as you type.