Regex Tester and Debugger Online - Javascript, PCRE, PHPRegex Tester is a 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. Explore the Library for help & examples. Undo & Redo with {{getCtrlKey()}}-Z / Y. Search for & rate Community patterns.
Rubular: a Ruby regular expression editor and tester
