regex101: build, test, and debug regexPlease remember this entry will be public in the community library. This is not your personal regex library! To save, access and manage your personal entries, please go to the account page instead.
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()}}
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Regexplained
Debuggex: Online visual regex tester. JavaScript, Python, and PCRE.
Provider Regular Expression Generator | Embedly
