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Regular expressions are an extremely powerful tool for manipulating text and data. They have spread like wildfire in recent years, now offered as standard features in Perl, Java, VB.NET and C# (and any language using the .NET Framework), PHP, Python, Ruby, Tcl, MySQL, awk, Emacs, and many other popular tools and languages.If you don`t use regular expressions yet, you will discover in this book a whole new world of mastery over your data. If you already use them, you`ll appreciate this book`s unprecedented detail and breadth of coverage. If you think you know all you need to know about regular expressions, this book is a stunning eyeopener.In spite their wide availability, flexibility, and unparalleled power, regular expressions are frequently underutilized. Regular expressions allow you to code complex and subtle text processing that you never imagined could be automated. Regular expressions can save you time and aggravation. They can be used to craft elegant solutions to a wide range of problems.A command of regular expressions is an invaluable skill. Yet what is power in the hands of an expert can be fraught with peril for the unwary. Mastering Regular Expressions will help you navigate the minefield to becoming an expert. Once you`ve mastered regular expressions, they`ll become an invaluable part of your toolkit. You will wonder how you ever got by without them.Mastering Regular Expressions, Second Edition has been thoroughly updated to include all the new features of Perl 5.8, as well as several other languages, including Java, VB.NET, C#, Python, JavaScript, Tcl, and Ruby. Written in the lucid, entertaining tone that made a complex, dry topic crystalclear to thousands of programmers, and sprinkled with solutions to complex realworld problems, Mastering Regular Expressions offers a wealth information that you can put to immediate use.Topics include: A comparison of features among different versions of many languages and tools How the regular expression engine works Optimization (major savings available here!) Matching just what you want, but not what you don`t want Sections and chapters on individual languages.About the AuthorJeffrey Friedl was raised in the countryside of Rootstown, Ohio, and had aspirations of being an astronomer until one day he noticed a TRS80 Model I sitting unused in the corner of the chem lab (bristling with a full 16K of RAM, no less). He eventually began using Unix (and regular expressions) in 1980, and earned degrees in Computer Science from Kent (BS) and the University of New Hampshire (MS). He did kernel development for Omron Corporation in Kyoto, Japan for eight years before moving in 1997 to Silicon Valley to apply his regularexpression knowhow to financial news and data for a littleknown company called "Yahoo!"When faced with the daunting task of filling his copious free time, Jeffrey enjoys playing Ultimate Frisbee and basketball with friends at Yahoo!, programming his house, and feeding the squirrels and jays in his back yard. He also enjoys spending time with his wife Fumie, and preparing for the Fall 2002 release of their first "software project" together.
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