Introducing Regular Expressions

Michael Fitzgerald

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If youre a programmer new to regular expressions, this easy-to-follow guide is a great place to start. Youll learn the fundamenta...

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E-Book (pdf)

Beschreibung

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 workLearn many of the differences between regular expressions used with command-line tools and in various programming languagesApply simple methods for finding patterns in text, including digits, letters, Unicode characters, and string literalsLearn how to use zero-width assertions and lookaroundsWork with groups, backreferences, character classes, and quantifiersUse regular expressions to mark up plain text with HTML5