Rubular is a Ruby-based regular expression editor and tester. It's a handy way to test regular expressions as you write them. Rubular is an especially good fit for Ruby and Rails developers, since it uses Ruby on the server to evaluate rege...
This tutorial will teach you how to create your own regular expressions, starting with the most basic regex concepts and ending with the most advanced and specialized capabilities.
www.regular-expressions.info/tutorial.html
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