![]() You can find a useful cheat sheet at this link.Īlong with a host of useful resources, there is also a conference video by Lea Verou at the bottom of this post – it’s a bit long, but it’s excellent in breaking down RegEx. There are many books, articles, websites and the PHP official documentation that explain regular expressions, so instead of writing another explanation I’d prefer to go straight to more practical examples. As arcane as regular expressions look, it won’t take you long to learn the concepts. If you don’t have the basic skillset under your belt, you can learn regex with our beginner’s guide. This article provides tips, tricks, resources and steps for going through intricate regular expressions. They are often used to perform searches, replace substrings and validate string data. A regular expression is a sequence of characters used for parsing and manipulating strings.
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