Test and validate your regular expressions in real-time with this comprehensive regex tester tool.
. - Any character except newline\w - Word character [a-zA-Z0-9_]\d - Digit [0-9]\s - Whitespace character\W - Non-word character\D - Non-digit\S - Non-whitespace character^ - Start of string/line$ - End of string/line\b - Word boundary\B - Non-word boundary* - 0 or more+ - 1 or more? - 0 or 1{n} - Exactly n times{n,} - n or more times{n,m} - Between n and m times(abc) - Capture group(?:abc) - Non-capturing group[abc] - Character set[^abc] - Negated character set[a-z] - Character rangea|b - Alternation (a or b)\ - Escape character\t - Tab\n - Newline\r - Carriage return