v2.1 BETA by gskinner RegExr v1 GitHub Tutorial Library {{getLabel()}} {{getLabel()}} {{getStaticRating()}} {{getIcon()}} {{getLabel()}} {{getDetail()}} RegExr is an online tool to learn , build , & test Regular Expressions (RegEx / RegExp). Results update in real-time as you type. Roll over a match or expression for details. Save & share expressions with others. Use Tools to explore your results. Browse the Library for help & examples. Undo & Redo with {{getCtrlKey()}}-Z / Y. Search for & rate Community patterns. Character classes . any character except newline \w \d \s word, digit, whitespace \W \D \S not word, digit, whitespace [abc] any of a, b, or c [^abc] not a, b, or c [a-g] character between a & g Anchors ^abc$ start / end of the string \b \B word, not-word boundary Escaped characters \. \* \\ escaped special characters \t \n \r tab, linefeed, carriage return \u00A9 unicode e...