May 2015
Intermediate to advanced
112 pages
2h 14m
English
Content preview from Javascript Regular ExpressionsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Preface
Regular expressions are patterns or templates, which allow you to define a set of rules in a natural yet vague way, giving you the ability to match and validate text. They have, more or less, been implemented in nearly every modern programming language.
When working with any type of textual input, you don't always know what the value will be, but you can usually assume (or even demand) the format you are going to receive into your application. These types of situations are exactly when you would create a regular expression to extract and manipulate this input.
In this book, you will learn the basics to get started with a regular expression in JavaScript. We will start with the basics, passing through some special patterns and then, dive ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.