Excellent gentle introduction to regular expression

books:


	• Sams Teach Yourself Regular Expressions in 10 Minutes (Sams Teach Yourself) Ben Forta Sams, 2004 - 160 pages average customer review:based on 23 reviews view larger image
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highly recommended

Great refresher

This book was a great refresher course for regular expressions and a treasure of information in a concise, easy to understand book. Should be on every developers bookshelf.

Extremely straightforward and easy to understand

Ben has done a great job with this informative, straightforward and concise text. He writes in a way that allows the reader to gain a an understanding of the basics of regex and then build on that knowledge. I'd recommend this book to the regex beginner as a first text and they will be able to implement useful regexes in a very short time. If necessary, you could follow this text up with Jeffrey Friedl's Mastering Regular Expressions, second edition.

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Practical approach how to use regular expressions

I was looking for a guide that teaches me how to use regular expressions. This book seems to do the trick. It starts with simple commands to more and more complex commands. I really like the fact that it is using the same examples over and over again.This way way you can compare the long statements using simple commands with the more sophisticated short statements that accomplish the same task.
Unfortunately, regular expression differ for each development environment (.NET, javascript, Perl, etc.). Although the book tries very hard to explain the differences I can imagine it can be confusing from time to time.
In my case a book about regular expressions using .NET would be more suitable. However, the reviews of the books that cover this topic where not so good.
Another bad point about the book is that it is less suitable to use as a reference. Then again, if you are looking for a book that teaches you how to use regular expressions this is a book worth taking a look at.

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Excellent gentle introduction to regular expression

Don't be fooled by the book's catchy title, obviously courtesy of Sams marketing department. Just reading through the book's 138 pages will take more than 10 minutes. But if you're willing to sit down with this book for an hour or two, you can certainly learn to write regular expressions that do what you want.

The book consist entirely of a gently paced tutorial that walks you through all the elements of the regular expression syntax, starting out with the most basic elements, advancing all the way to advanced features such as lookaround and conditionals. Each chapter introduces one element, clearly describing it, with several detailed examples. Almost all features of Perl-compatible regular expressions (also used by PHP, Python, JavaScript, Java, .NET, etc.) are discussed.

Obviously, such a small book cannot be comprehensive. Even though the book's cover mentions a variety of programming languages, the book does not tell you at all how to actually use regular expressions with particular programming languages or tools. For that, you'll need to refer to the documentation that comes with the software you're using, or check out the web site at http://www.regular-expressions.info/tools.html

The book also doesn't explain regular expression features such as matching Unicode characters or named capture. These features are only supported by a small number of regular expression flavors.

If you're completely new to regular expressions, Sams Teach Yourself Regular Expressions in 10 Minutes will get you up to speed quickly. I would definitely recommend you get yourself a copy. But if you're already familiar with regular expressions, you'll need to look elsewhere for in-depth information.

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