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Regex101 - online regex editor and debugger 2016-12-18

Online regex tester, debugger with highlighting for PHP, PCRE, Python, Golang and JavaScript.

  1. Brandon
    This is one of the tools I've called on a number of times when trying to put together a regex expression. I've used it mainly for setting up redirects in a .htaccess file but there are loads of other uses for it.