Trick Regular
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Trick Tip: Cross-stepping between Regular & Switch
Mastering Regular Expressions
The book doesn't focus on teaching you how to use regular expressions at all. It focuses on how to use them efficiently. Expect lots of detailed information on how the regular expression engine works on the inside, and how to take advantage of this knowledge. The book also compares various regular expression flavors, and their subtle differences.
Don't expect any handy reference tables or examples ready for copy-and-paste. This book (certainly the first six chapters) is definitely meant to be read (or should I say: studied) cover to cover. If you need a quick fix, this book is not for you. If you want lots of practical real-world examples, buy Regular Expressions Cookbook from the same publisher instead.
The final four chapters in this book each cover one of the four regex flavors that are probably the most widely used ones today. Though general programming books on these languages usually have a chapter devoted to regular expressions, you can't compare those with the chapters in this books. Other books give you an incomplete introduction to the regular expression syntax (which Mastering Regular Expressions covers in the first 6 chapters), and explain which functions and classes to use for common regex functions. The four language chapters in Mastering Regular Expressions, however, focus on the pitfalls and special features of each of the languages. They're too dense for programmers inexperienced with regular expressions or the programming language in question. But if you're ready to master you're language, they offer a wealth of information.
Chapter 7 covers Perl and its many regex-related features and tricks. Regular expressions are a core part of the Perl language, forming an essential part of almost any Perl script. Here you'll learn everything that no other book on Perl (that I know) will teach you. Where general books on programming in Perl usually have one chapter with a regular expression quick start, "Mastering Regular Expressions" shows you how to best use them with Perl.
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