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Regular Expressions

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Flavio Copes

A guide to JavaScript regular expressions

Flavio Copes: Learn everything about JavaScript Regular Expressions with this brief guide that summarizes the most important concepts and shows them off with examples. Regular expressions can be a developer’s best friend or worst nightmare, depending on how well you can wield them. I’ve been using them (with varying degrees of success) since the early aughts, yet I still learn something new every time I read a tutorial like Flavio’s.

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