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    Station Eleven

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Introducing Regular Expressions

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Introducing Regular Expressions Cover

 

Synopses & Reviews

Publisher Comments:

If youre a programmer new to regular expressions, this easy-to-follow guide is a great place to start. Youll 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 programmers toolkit, available in various Unix utlilities as well as programming languages such as Perl, Java, JavaScript, and C#. When youve finished this book, youll be familiar with the most commonly used syntax in regular expressions, and youll 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

Synopsis:

Regular expressions remain a difficult part of the puzzle when learning how to program. Commonly used for sifting through large chunks of text, regexes are incredibly powerful although they may appear daunting to the newcomer. And variations among languages and environments make them even harder to master.

Loaded with examples, this introductory guide walks beginners step-by-step through the fundamentals of regular expressions, and helps you decipher complex patterns.

  • Break down regular expressions into comprehensible parts
  • Learn common usage patterns through simple, easy-to-follow examples
  • Discover how finding unique patterns can help you avoid repetitive, hand-editing of text
  • Use common command-line tools such as grep and sed
  • Compare how regular expressions are implemented in different languages and environments

About the Author

Michael Fitzgerald describes Ruby as "my favorite language so far" and is working regularly with Ruby and the Rails framework. He has written over 150 Ruby programs for testing and demonstration, and has been developing a library of sample Ruby code. He is the author of Learning XSLT and XML Hacks, and co-author on the XML Pocket Reference.

Table of Contents

PrefaceChapter 1: What Is a Regular Expression?Chapter 2: Simple Pattern MatchingChapter 3: BoundariesChapter 4: Alternation, Groups, and BackreferencesChapter 5: Character ClassesChapter 6: Matching Unicode and Other CharactersChapter 7: QuantifiersChapter 8: LookaroundsChapter 9: Marking Up a Document with HTMLChapter 10: The End of the BeginningRegular Expression ReferenceRegular Expression GlossaryColophon

Product Details

ISBN:
9781449392680
Author:
Fitzgerald, Michael
Publisher:
O'Reilly Media
Subject:
Programming - General
Subject:
Software Engineering - Programming and Languages
Subject:
awk;glob;greedy;grep;match;parser;pattern;regex;sed;substitute;text;wildcard
Subject:
CourseSmart Subject Description
Edition Description:
Print PDF
Publication Date:
20120803
Binding:
Paperback
Language:
English
Pages:
154
Dimensions:
9.19 x 7 in

Related Subjects

Computers and Internet » Software Engineering » General
Computers and Internet » Software Engineering » Programming and Languages

Introducing Regular Expressions New Trade Paper
0 stars - 0 reviews
$39.99 In Stock
Product details 154 pages O'Reilly Media - English 9781449392680 Reviews:
"Synopsis" by ,

Regular expressions remain a difficult part of the puzzle when learning how to program. Commonly used for sifting through large chunks of text, regexes are incredibly powerful although they may appear daunting to the newcomer. And variations among languages and environments make them even harder to master.

Loaded with examples, this introductory guide walks beginners step-by-step through the fundamentals of regular expressions, and helps you decipher complex patterns.

  • Break down regular expressions into comprehensible parts
  • Learn common usage patterns through simple, easy-to-follow examples
  • Discover how finding unique patterns can help you avoid repetitive, hand-editing of text
  • Use common command-line tools such as grep and sed
  • Compare how regular expressions are implemented in different languages and environments

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