Java 9 Regular Expressions

Nonfiction, Computers, Internet, Web Development, Java, Programming, Programming Languages
Cover of the book Java 9 Regular Expressions by Anubhava Srivastava, Packt Publishing
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Author: Anubhava Srivastava ISBN: 9781787288034
Publisher: Packt Publishing Publication: July 26, 2017
Imprint: Packt Publishing Language: English
Author: Anubhava Srivastava
ISBN: 9781787288034
Publisher: Packt Publishing
Publication: July 26, 2017
Imprint: Packt Publishing
Language: English

Solve real world problems using Regex in Java.

About This Book

  • Discover regular expressions and how they work
  • Implement regular expressions with Java to your code base
  • Learn to use regular expressions in emails, URLs, paths, and IP addresses

Who This Book Is For

This book is for Java developers who would like to understand and use regular expressions. A basic knowledge of Java is assumed.

What You Will Learn

  • Understand the semantics, rules, and core concepts of writing Java code involving regular expressions
  • Learn about the java.util.Regex package using the Pattern class, Matcher class, code snippets, and more
  • Match and capture text in regex and use back-references to the captured groups
  • Explore Regex using Java String methods and regex capabilities in the Java Scanner API
  • Use zero-width assertions and lookarounds in regex
  • Test and optimize a poorly performing regex and various other performance tips

In Detail

Regular expressions are a powerful tool in the programmer's toolbox and allow pattern matching. They are also used for manipulating text and data. This book will provide you with the know-how (and practical examples) to solve real-world problems using regex in Java.

You will begin by discovering what regular expressions are and how they work with Java. This easy-to-follow guide is a great place from which to familiarize yourself with the core concepts of regular expressions and to master its implementation with the features of Java 9. You will learn how to match, extract, and transform text by matching specific words, characters, and patterns. You will learn when and where to apply the methods for finding patterns in digits, letters, Unicode characters, and string literals. Going forward, you will learn to use zero-length assertions and lookarounds, parsing the source code, and processing the log files. Finally, you will master tips, tricks, and best practices in regex with Java.

Style and approach

This book will take readers through this learning journey using simple, easy-to-understand, step-by-step instructions and hands-on examples at every stage.

View on Amazon View on AbeBooks View on Kobo View on B.Depository View on eBay View on Walmart

Solve real world problems using Regex in Java.

About This Book

Who This Book Is For

This book is for Java developers who would like to understand and use regular expressions. A basic knowledge of Java is assumed.

What You Will Learn

In Detail

Regular expressions are a powerful tool in the programmer's toolbox and allow pattern matching. They are also used for manipulating text and data. This book will provide you with the know-how (and practical examples) to solve real-world problems using regex in Java.

You will begin by discovering what regular expressions are and how they work with Java. This easy-to-follow guide is a great place from which to familiarize yourself with the core concepts of regular expressions and to master its implementation with the features of Java 9. You will learn how to match, extract, and transform text by matching specific words, characters, and patterns. You will learn when and where to apply the methods for finding patterns in digits, letters, Unicode characters, and string literals. Going forward, you will learn to use zero-length assertions and lookarounds, parsing the source code, and processing the log files. Finally, you will master tips, tricks, and best practices in regex with Java.

Style and approach

This book will take readers through this learning journey using simple, easy-to-understand, step-by-step instructions and hands-on examples at every stage.

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