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, <em>awk</em>, 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 eye-opener. 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 crystal-clear to thousands of programmers, and sprinkled with solutions to complex real-world problems, Mastering Regular Expressions offers a wealth information that you can put to immediate use. Topics include:
<li type="disc">A comparison of features among different versions of many languages and tools <li type="disc">How the regular expression engine works <li type="disc">Optimization (major savings available here!) <li type="disc">Matching just what you want, but not what you don't want <li type="disc">Sections and chapters on individual languages
佩服作者,真的是很厉害,佩服他对各种语言的了解和掌握。 正则表达式对于很多我遇到的新手或者高手都是他们的一个瓶颈,有很多人不了解或者不是很了解正则表达式,其实如果不是之前的工作逼迫我也不会接触它,但是真的上手以后发现,正则真是一个好东西,简洁优美。 但是查询...
评分先说说看完这本书之后,我对正则表达式的重新认识:正则表达式就是查字典。 当然,并不是说真的就是查字典,只是过程很类似而已。举个例子:当你要查询以R开头的单词的时候,这个问题就可能用不到正则表达式;但是当你要查询第三个字母是R的单词的时候,用正则...
评分第一类:GEN-ADML-ST-IDENTIFIANT.XXXX 第二类:S2131000_XXX_REQ_XXX 注:XXX表示数字 第一类是用‘-’ 第二类是用‘_’
读过中文版,感觉有些太详细了,应用不到。
评分regex界只此一本~,中间原理和优化的2章,非常难懂,需要多读几遍,后边的语言相关选择自己喜爱的读就行了,可惜没有python的。
评分看来我只要弄懂perl就够了。。。
评分这本还是图书馆里站了一下午看完了
评分看来我只要弄懂perl就够了。。。
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