Regex VisRegex visualizer & editor, make the regular expression easier.
RegExr: Learn, Build, & Test RegEx
RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp). Supports JavaScript & PHP/PCRE RegEx. Results update in real-time as you type. Roll over a match or expression for details. Validate patterns with suites of Tests. Save & share expressions with others. Use Tools to explore your results. Full RegEx Reference with help & examples. Undo & Redo with {{getCtrlKey()}}
RegexPlanet - Online Regular Expression (Regex) Testing and Cookbook for: Go, Haskell, Java, JavaScript, .Net, Perl, PHP, PostgreSQL, Python, Ruby, Tcl & XRegExp
Regular expressions are an incredibly powerful tool, but can be rather tricky to get exactly right. This is a website that I wrote so I could quickly and easily test regular expressions during development. Pick which programming language you are using: Share codes are an easy way to share regexes. If you have a share code, enter it here: A badly formed regular expression can run forever, making it
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