Test and debug regular expressions in real-time. See matches highlighted, capture groups extracted, and get detailed explanations of your patterns.
Regular expressions (regex) are patterns used to match character combinations in strings. They're powerful tools for:
. Any character\d Digit [0-9]\w Word char [a-zA-Z0-9_]\s Whitespace^ Start of string$ End of string* 0 or more+ 1 or more? 0 or 1{n,m} n to m times[abc] Character class(group) Capture groupa|b AlternationEmailURLIPv4PhoneHex Color