Test, build, and understand regular expressions with visual feedback
Enter a pattern and test string to see matches
. - Any character\d - Digit (0-9)\w - Word character\s - Whitespace* - 0 or more+ - 1 or more? - 0 or 1{n,m} - n to m times^ - Start of string$ - End of string\b - Word boundary() - Capture group(?:) - Non-capture[abc] - Character set[^abc] - Negated set