Pattern Matching : Introduction « Regular Expressions « JavaScript Tutorial

JavaScript Tutorial

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JavaScript Tutorial » Regular Expressions » Introduction

26. 1. 1. Pattern Matching

JavaScript uses the RegExp (short for Regular Expression) object to handle pattern matching.

The RegExp object can be created in two different ways.

The first way is to use the RegExp constructor and the keyword new:


var lastName = new RegExp("ABC");

The same functionality could have been accomplished by using a direct assignment:


var lastName = /ABC/;

The forward slash character (/) is used to designate the beginning and end of the pattern.

26. 1. Introduction
	26. 1. 1.	Pattern Matching
	26. 1. 2.	Defining Patterns
	26. 1. 3.	All the characters that require a backslash character to be taken literally within a pattern.
	26. 1. 4.	Pattern Attributes
	26. 1. 5.	Testing for Pattern Matches
	26. 1. 6.	The pattern matching methods in the RegExp object require String objects.

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