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                        Regular expressions are such a powerful tool for manipulating text and data that anyone who uses a computer can benefit from them. Composed of a mixture of symbols and text, regular expressions can be an outlet for creativity, for brilliant programming, and for the elegant solution.  While a command of regular expressions is an invaluable skill, all there is to know about them fills a very large volume, and you don`t always have time to thumb through hundreds of pages each time a question arises.  The answer is the Regular Expression Pocket Reference. Concise and easytouse, this little book is the portable companion to Mastering Regular Expressions.This handy guide offers programmers a complete overview of the syntax and semantics of regular expressions, which are at the heart of every textprocessing application. Ideal as an introduction for beginners and a quick reference for advanced programmers, Regular Expression Pocket Reference is a comprehensive guide to regular expression APIs for C, Perl, PHP,Java, .NET, Python, vi, and the POSIX regular expression libraries.O`Reilly`s Pocket References have become a favorite among programmers everywhere.  By providing a wealth of important details in a concise, wellorganized format, these handy books deliver just what you need to complete the task at hand. When you`ve reached a sticking point and need to get to a solution quickly, the new Regular Expression Pocket Reference is the book you`ll want to have.
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