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Javascript Regular Expressions

Book Image

Javascript Regular Expressions

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Javascript Regular Expressions
May, 2015 | 112 pages
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Table of Contents (13 chapters)
JavaScript Regular Expressions
JavaScript Regular Expressions
Credits
Credits
About the Authors
About the Authors
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Getting Started with Regex
Getting Started with Regex
It's all about patterns
Regex in JavaScript
Building our environment
Summary
2
The Basics
The Basics
Defining vague matchers in Regex
Defining ranges in Regex
Defining multipliers in Regex
Defining custom quantifiers
Matching alternated options
Creating a Regex for a telephone number
Summary
3
Special Characters
Special Characters
Nonvisual constraints
Defining nongreedy quantifiers
Matching groups in Regex
Summary
4
Regex in Practice
Regex in Practice
Regular expressions and form validation
Validating fields
Manipulating data
Summary
5
Node.js and Regex
Node.js and Regex
Setting up Node.js
Getting started with our application
The anatomy of an Apache log file
Summary
JavaScript Regex Cheat Sheet
JavaScript Regex Cheat Sheet
Character classes
Character sets
Boundaries
Grouping, alternation, and back reference
Quantifiers
JavaScript regular expressions methods
Index
Index

Appendix A. JavaScript Regex Cheat Sheet

In this appendix, you can find a summary of the patterns used in regular expressions in JavaScript along with their descriptions, and a list of useful methods to test and create regular expressions.

The following Regex topics will be covered in this appendix:

  • Character classes and literals

  • Character sets

  • Boundaries and quantifiers

  • Grouping, alternation, and back reference

  • Useful methods

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