Introducing Regular Expressions
- Length: 154 pages
- Edition: 1
- Language: English
- Publisher: O'Reilly Media
- Publication Date: 2012-08-02
- ISBN-10: 1449392687
- ISBN-13: 9781449392680
- Sales Rank: #342682 (See Top 100 Books)
If you’re a programmer new to regular expressions, this easy-to-follow guide is a great place to start. You’ll learn the fundamentals step-by-step with the help of numerous examples, discovering first-hand how to match, extract, and transform text by matching specific words, characters, and patterns.
Regular expressions are an essential part of a programmer’s toolkit, available in various Unix utlilities as well as programming languages such as Perl, Java, JavaScript, and C#. When you’ve finished this book, you’ll be familiar with the most commonly used syntax in regular expressions, and you’ll understand how using them will save you considerable time.
- Discover what regular expressions are and how they work
- Learn many of the differences between regular expressions used with command-line tools and in various programming languages
- Apply simple methods for finding patterns in text, including digits, letters, Unicode characters, and string literals
- Learn how to use zero-width assertions and lookarounds
- Work with groups, backreferences, character classes, and quantifiers
- Use regular expressions to mark up plain text with HTML5
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