Twice a month, we revisit some of our readers’ favorite posts from throughout the history of Nettuts+.
Regular Expressions are the Swiss Army knife for searching through information for certain patterns. They have a wide arsenal of tools, some of which often go undiscovered or underutilized. Today I will show you some advanced tips for working with regular expressions.
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Today, we’ll be reviewing the intricacies of regular expressions. More specifically, we’ll discuss both how and why you should use positive/negative lookahead ands lookbehinds in your regular expressions. Originally meant to be a quick tip, this screencast ended up a bit longer than expected, at around eighteen minutes.
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Regular expressions can be scary…really scary. Fortunately, once you memorize what each symbol represents, the fear quickly subsides. If you fit the title of this article, there’s much to learn! Let’s get started.
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Over the course of a handful of video tutorials, I’m going to teach you how to use regular expressions effectively in your Javascript and PHP applications. As always, I’ll assume you know absolutely zip.
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Cost: Free, links back
Found Via: www.addedbytes.com
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