Introducing Regular Expressions
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Introducing Regular Expressions
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Author : Michael Fitzgerald
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2012-07-24
Introducing Regular Expressions written by Michael Fitzgerald and has been published by "O'Reilly Media, Inc." this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-07-24 with Computers categories.
Commonly used for sifting through large chunks of text, regexes are incredibly powerful although they may appear daunting to the newcomer. Loaded with examples, this introductory guide walks beginners step by step through the fundamentals of regular expressions, and helps them decipher complex patterns.
Introducing Regular Expressions
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Author : Michael Fitzgerald
language : en
Publisher:
Release Date : 2012
Introducing Regular Expressions written by Michael Fitzgerald and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Electronic books categories.
If you{u2019}re a programmer new to regular expressions, this easy-to-follow guide is a great place to start. You{u2019}ll learn the fundamentals step-by-step with the help of numerous examples, discovering first-hand how to match, extract, and transform text by matching specific words, characters, and patterns. Regular expressions are an essential part of a programmer{u2019}s toolkit, available in various Unix utlilities as well as programming languages such as Perl, Java, JavaScript, and C♯. When you{u2019}ve finished this book, you{u2019}ll be familiar with the most commonly used syntax in regular expressions, and you{u2019}ll understand how using them will save you considerable time. Discover what regular expressions are and how they work Learn many of the differences between regular expressions used with command-line tools and in various programming languages Apply simple methods for finding patterns in text, including digits, letters, Unicode characters, and string literals Learn how to use zero-width assertions and lookarounds Work with groups, backreferences, character classes, and quantifiers Use regular expressions to mark up plain text with HTML5.
Introducing Regular Expressions
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Author : Michael Fitzgerald
language : en
Publisher: O'Reilly Media
Release Date : 2012-07-10
Introducing Regular Expressions written by Michael Fitzgerald and has been published by O'Reilly Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-07-10 with Computers categories.
If you’re a programmer new to regular expressions, this easy-to-follow guide is a great place to start. You’ll learn the fundamentals step-by-step with the help of numerous examples, discovering first-hand how to match, extract, and transform text by matching specific words, characters, and patterns. Regular expressions are an essential part of a programmer’s toolkit, available in various Unix utlilities as well as programming languages such as Perl, Java, JavaScript, and C#. When you’ve finished this book, you’ll be familiar with the most commonly used syntax in regular expressions, and you’ll understand how using them will save you considerable time. Discover what regular expressions are and how they work Learn many of the differences between regular expressions used with command-line tools and in various programming languages Apply simple methods for finding patterns in text, including digits, letters, Unicode characters, and string literals Learn how to use zero-width assertions and lookarounds Work with groups, backreferences, character classes, and quantifiers Use regular expressions to mark up plain text with HTML5
Introducing Regular Expressions
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Author : Jörg Krause
language : en
Publisher: Apress
Release Date : 2016-12-22
Introducing Regular Expressions written by Jörg Krause and has been published by Apress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-12-22 with Computers categories.
This book is your easy-to-digest and concise guide to regular expressions in JavaScript, this book teaches you the very basics and can be used in the browser or on the server. Explore and understand how to use regular expressions in all JavaScript environments. Presented in four key concept sections, Introducing Regular Expressions shows how to create and use regular expressions to accelerate your JavaScript development. What You'll Learn What regular expressions are and why you should use them Use useful expressions (including examples) Reference features and functions Use regular expressions in all JavaScript environments Who This Book Is For Developers of web applications who want to explore the capabilities of JavaScript based apps on both, client and server. It’s suitable for beginners that have a basic understanding of JavaScript already.
Learning Regular Expressions
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Author : Ben Forta
language : en
Publisher:
Release Date : 2018
Learning Regular Expressions written by Ben Forta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with Computer programming categories.
Mastering Regular Expressions
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Author : Jeffrey E.F. Friedl
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2006-08-08
Mastering Regular Expressions written by Jeffrey E.F. Friedl and has been published by "O'Reilly Media, Inc." this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-08-08 with Computers categories.
Regular expressions are an extremely powerful tool for manipulating text and data. They are now standard features in a wide range of languages and popular tools, including Perl, Python, Ruby, Java, VB.NET and C# (and any language using the .NET Framework), PHP, and MySQL. 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 regularexpressions, this book is a stunning eye-opener. As this book shows, a command of regular expressions is an invaluable skill. 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. 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. Yet despite their wide availability, flexibility, and unparalleled power, regular expressions are frequently underutilized. 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 and help you optimize your use of regular expressions. Mastering Regular Expressions, Third Edition, now includes a full chapter devoted to PHP and its powerful and expressive suite of regular expression functions, in addition to enhanced PHP coverage in the central "core" chapters. Furthermore, this edition has been updated throughout to reflect advances in other languages, including expanded in-depth coverage of Sun's java.util.regex package, which has emerged as the standard Java regex implementation.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 Written in the lucid, entertaining tone that makes a complex, dry topic become crystal-clear to programmers, and sprinkled with solutions to complex real-world problems, Mastering Regular Expressions, Third Edition offers a wealth information that you can put to immediateuse. Reviews of this new edition and the second edition: "There isn't a better (or more useful) book available on regular expressions." --Zak Greant, Managing Director, eZ Systems "A real tour-de-force of a book which not only covers the mechanics of regexes in extraordinary detail but also talks about efficiency and the use of regexes in Perl, Java, and .NET...If you use regular expressions as part of your professional work (even if you already have a good book on whatever language you're programming in) I would strongly recommend this book to you." --Dr. Chris Brown, Linux Format "The author does an outstanding job leading the reader from regexnovice to master. The book is extremely easy to read and chock full ofuseful and relevant examples...Regular expressions are valuable toolsthat every developer should have in their toolbox. Mastering RegularExpressions is the definitive guide to the subject, and an outstandingresource that belongs on every programmer's bookshelf. Ten out of TenHorseshoes." --Jason Menard, Java Ranch
Mastering Regular Expressions
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Author : Jeffrey E. F. Friedl
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2002
Mastering Regular Expressions written by Jeffrey E. F. Friedl and has been published by "O'Reilly Media, Inc." this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Computers categories.
Introduces regular expressions and how they are used, discussing topics including metacharacters, nomenclature, matching and modifying text, expression processing, benchmarking, optimizations, and loops.
Beginning Regular Expressions
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Author : Andrew Watt
language : en
Publisher: John Wiley & Sons
Release Date : 2005-02-08
Beginning Regular Expressions written by Andrew Watt and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-02-08 with Computers categories.
This book introduces the various parts of the construction of a regular expression pattern, explains what they mean, and walks you through working examples showing how they work and why they do what they do. By working through the examples, you will build your understanding of how to make regular expressions do what you want them to do and avoid creating regular expressions that don’t meet your intentions. Beginning chapters introduce regular expressions and show you a method you can use to break down a text manipulation problem into component parts so that you can make an intelligent choice about constructing a regular expression pattern that matches what you want it to match and avoids matching unwanted text. To solve more complex problems, you should set out a problem definition and progressively refine it to express it in English in a way that corresponds to a regular expression pattern that does what you want it to do. The second part of the book devotes a chapter to each of several technologies available on the Windows platform. You are shown how to use each tool or language with regular expressions (for example, how to do a lookahead in Perl or create a named variable in C#). Regular expressions can be useful in applications such as Microsoft Word, OpenOffice.org Writer, Microsoft Excel, and Microsoft Access. A chapter is devoted to each. In addition, tools such as the little-known Windows findstr utility and the commercial PowerGrep tool each have a chapter showing how they can be used to solve text manipulation tasks that span multiple files. The use of regular expressions in the MySQL and Microsoft SQL Server databases are also demonstrated. Several programming languages have a chapter describing the metacharacters available for use in those languages together with demonstrations of how the objects or classes of that language can be used with regular expressions. The languages covered are VBScript, Javascript, Visual Basic .NET, C#, PHP, Java, and Perl. XML is used increasingly to store textual data. The W3C XML Schema definition language can use regular expressions to automatically validate data in an XML document. W3C XML Schema has a chapter demonstrating how regular expressions can be used with the xs:pattern element. Chapters 1 through 10 describe the component parts of regular expression patterns and show you what they do and how they can be used with a variety of text manipulation tools and languages. You should work through these chapters in order and build up your understanding of regular expressions. The book then devotes a chapter to each of several text manipulation tools and programming languages. These chapters assume knowledge from Chapters 1 through 10, but you can dip into the tool-specific and language-specific chapters in any order you want.
Regular Expression Pocket Reference
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Author : Tony Stubblebine
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2007-07-18
Regular Expression Pocket Reference written by Tony Stubblebine and has been published by "O'Reilly Media, Inc." this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-07-18 with Computers categories.
A guide to the syntax and semantics of regular expressions for Perl 5.8, Ruby, Java, PHP, C#, .NET, Python, JavaScript, and PCRE.
Mastering Python Regular Expressions
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Author : Félix López
language : en
Publisher: Packt Publishing Ltd
Release Date : 2014-02-21
Mastering Python Regular Expressions written by Félix López and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-02-21 with Computers categories.
A short and straight to the point guide that explains the implementation of Regular Expressions in Python. This book is aimed at Python developers who want to learn how to leverage Regular Expressions in Python. Basic knowledge of Python is required for a better understanding.