JavaScript Regular Expressions 1st Edition by Loiane Groner, Gabriel Manricks ISBN 9781783282265 1783282266

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Product details:
ISBN 10: 1783282266
ISBN 13: 9781783282265
Author: Loiane Groner, Gabriel Manricks

• Build and use patterns in JavaScript to solve real-world problems
• Simplify complex validation processes by mastering the pattern language in Regex
• A step-by-step guide along with a lot of real-world examples to manipulate text and crunch data, in URLs, paths, markup, and so on

JavaScript Regular Expressions 1st Edition Table of contents:

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 expression

Executing RegExp and extracting its matches

Testing our application

Summary

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 occurrences

Matching alternated options

Creating a Regex for a telephone number

Summary

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 non capture groups

Matching lookahead groups

Using a negative lookahead

Summary

4. Regex in Practice

Regular expressions and form validation

Setting up the form

Validating fields

Matching 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

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 Regex

Creating 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

Creating a JSON object for each row

Display the JSON in a table

Summary

A. JavaScript Regex Cheat Sheet

Character classes

Literals

Character sets

Boundaries

Grouping, alternation, and back reference

Quantifiers

JavaScript regular expressions methods

Index

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Tags: Loiane Groner, Gabriel Manricks, JavaScript Regular Expressions