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JavaScript regular expressions : leverage the power of regular expressions to create an engaging user experience /
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.
| Clasificación: | Libro Electrónico |
|---|---|
| Autores principales: | , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Birmingham, UK :
Packt Publishing,
2015.
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| Colección: | Community experience distilled.
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| Temas: | |
| Acceso en línea: | Texto completo (Requiere registro previo con correo institucional) |
Tabla de Contenidos:
- Cover; Copyright; Credits; About the Authors; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1: Getting Started with Regex; It's all about patterns; Analyzing a phone number; Analyzing a simple log file; Analyzing an XML file; Regex in JavaScript; The RegExp constructor; Using pattern flags; Using the rgx.test method; Using the rgx.exec method; The string object and regular expressions; Using the String.replace method; Using the String.search method; Using the String.match method; Building our environment; Handling a submitted form; Resetting matches and errors
- Creating a regular expressionExecuting RegExp and extracting its matches; Testing our application; Summary; Chapter 2: The Basics; Defining vague matchers in Regex; Matching a wild card character; Matching digits; Matching alphanumeric chars; Negating alphanumeric chars and digits; Defining ranges in Regex; Defining a range; Matching the dash character; Defining negated ranges; Defining multipliers in Regex; Matching one or more occurrences; Matching zero or one occurrence; Matching zero or more occurrences; Defining custom quantifiers; Matching n or more occurrences
- Matching n to m occurrencesMatching alternated options; Creating a Regex for a telephone number; Summary; Chapter 3: Special Characters; Nonvisual constraints; Matching the beginning and end of an input; Matching word boundaries; Matching nonword boundaries; Matching a whitespace character; Defining nongreedy quantifiers; Matching groups in Regex; Grouping characters together to create a clause; Capture and noncapture groups; Matching lookahead groups; Using a negative lookahead; Summary; Chapter 4: Regex in Practice; Regular expressions and form validation; Setting up the form
- Validating fieldsMatching a complete name; Understanding the complete name Regex; Matching an e-mail with Regex; Understanding the e-mail Regex; Matching a Twitter name; Understanding the twitter username Regex; Matching passwords; Matching URLs; Understanding the URL Regex; Manipulating data; Using the String.replace method; Matching a description field; Understanding the description Regex; Explaining a Markdown example; Summary; Chapter 5: Node.js and Regex; Setting up Node.js; Getting started with our application; Reading a file with Node.js; The anatomy of an Apache log file
- Creating the Apache log RegexCreating a Regex for the time part; Creating a Regex for the request information; Creating a Regex for the status code and object size; Creating a Regex for the referrer and the user agent; Parsing each Apache log row; Summary; Appendix: JavaScript Regex Cheat Sheet; Character classes; Literals; Character sets; Boundaries; Grouping, alternation, and back reference; Quantifiers; JavaScript regular expressions methods; Index