JavaScript Regular Expressions

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Author : Loiane Groner
Genre : Computers

Summary : Key Features Book DescriptionThis book is ideal for JavaScript developers and programmers who work with any type of user entry data and want sharpen their skills to become experts.What you will learn Who this book is for This book is ideal for JavaScript developers and programmers who work with any type of user entry data and want sharpen their skills to become experts.

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Author : Jan Goyvaerts
Genre : Computers

Summary : This cookbook provides more than 100 recipes to help you crunch data and manipulate text with regular expressions. Every programmer can find uses for regular expressions, but their power doesn't come worry-free. Even seasoned users often suffer from poor performance, false positives, false negatives, or perplexing bugs. Regular Expressions Cookbook offers step-by-step instructions for some of the most common tasks involving this tool, with recipes for C#, Java, JavaScript, Perl, PHP, Python, Ruby, and VB.NET. With this book, you will: Understand the basics of regular expressions through a concise tutorial Use regular expressions effectively in several programming and scripting languages Learn how to validate and format input Manage words, lines, special characters, and numerical values Find solutions for using regular expressions in URLs, paths, markup, and data exchange Learn the nuances of more advanced regex features Understand how regular expressions' APIs, syntax, and behavior differ from language to language Write better regular expressions for custom needs Whether you're a novice or an experienced user, Regular Expressions Cookbook will help deepen your knowledge of this unique and irreplaceable tool. You'll learn powerful new tricks, avoid language-specific gotchas, and save valuable time with this huge library of proven solutions to difficult, real-world problems.

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Author : Aarthi Elumalai
Genre :

Summary : Create simple to complex regular expressions in JavaScript using practical examples and real-world problems About This Video Use grouping, capture groups, and backreferencing to create updated and accurate regex patterns Discover the latest updates in ES6, ES7, and ES8+ for regular expressions in JavaScript Take pattern matching to the next level by learning the different options available in JavaScript regex In Detail Regular expressions are an essential part of problem solving in computer science. It can be tricky to learn if you don't approach the topic right. This course breaks down regular expressions into manageable parts so that you can learn them quickly and retain the concepts for much longer. This course is useful for both JavaScript programmers and programmers of other languages because it focuses on the core concepts of regular expressions before teaching you how to apply them in JavaScript. You'll also learn the sheer power of regular expressions used in combination with the powerhouse that is the JavaScript language. Add the latest ECMAScript updates to the mix, and you end up with something that is unparalleled in other languages. Every concept is explained using a wealth of examples to help you understand the concepts better.

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Author : Jan Goyvaerts
Genre : Computers

Summary : "Regular Expressions Cookbook" provides 126 recipes written for today's most popular programming languages, including C#, Java, JavaScript, Perl, PHP, and Python.NET. Readers can save valuable time with this huge library of proven solutions to difficult, real-world problems.

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Author : Van Nguyen
Genre :

Summary : How to use Regular Expressions in JavaScript

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Author : Zsolt Nagy
Genre : Computers

Summary : This quick guide to regular expressions is a condensed code and syntax reference for an important programming technique. It demonstrates regex syntax in a well-organized format that can be used as a handy reference, showing you how to execute regexes in many languages, including JavaScript, Python, Java, and C#. The Regex Quick Syntax Reference features short, focused code examples that show you how to use regular expressions to validate user input, split strings, parse input, and match patterns. Utilizing regular expressions to deal with search/replace and filtering data for backend coding is also covered. You won’t find any bloated samples, drawn out history lessons, or witty stories in this book. What you will find is a language reference that is concise and highly accessible. The book is packed with useful information and is a must-have for any programmer. What You Will Learn Formulate an expression Work with arbitrary char classes, disjunctions, and operator precedence Execute regular expressions and visualize using finite state machines Deal with modifiers, including greedy and lazy loops Handle substring extraction from regex using Perl 6 capture groups, capture substrings, and reuse substrings Who This Book Is For If you have dealt with at least one programming language, chances are you know enough to understand regular expressions, and the examples in this book will help you develop proficiency.

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Author : Tony Stubblebine
Genre : Computers

Summary : Regular expressions are such a powerful tool for manipulating text and data that anyone who uses a computer can benefit from them. Composed of a mixture of symbols and text, regular expressions can be an outlet for creativity, for brilliant programming, and for the elegant solution. While a command of regular expressions is an invaluable skill, all there is to know about them fills a very large volume, and you don't always have time to thumb through hundreds of pages each time a question arises. The answer is the Regular Expression Pocket Reference. Concise and easy-to-use, this little book is the portable companion to Mastering Regular Expressions. This handy guide offers programmers a complete overview of the syntax and semantics of regular expressions that are at the heart of every text-processing application. Ideal as an introduction for beginners and a quick reference for advanced programmers, Regular Expression Pocket Reference is a comprehensive guide to regular expression APIs for C, Perl, PHP,Java, .NET, Python, vi, and the POSIX regular expression libraries. O'Reilly's Pocket References have become a favorite among programmers everywhere. By providing a wealth of important details in a concise, well-organized format, these handy books deliver just what you need to complete the task at hand. When you've reached a sticking point and need to get to a solution quickly, the new Regular Expression Pocket Reference is the book you'll want to have.