Introducing Regular Expressions by Jörg Krause

Author:Jörg Krause
Language: eng
Format: epub
Publisher: Apress, Berkeley, CA

© Jörg Krause 2017

Jörg KrauseIntroducing Regular Expressions10.1007/978-1-4842-2508-0_3

3. The JavaScript Functions

Jörg Krause1

(1)Berlin, Germany

JavaScript provides an object named RegExp. You can create an instance by using new or the literal //.

The RegExp Object

I’ll start with an overview and follow it with several examples.

Methods

Apart from the RegExp object, you can use several built-in string functions in JavaScript to deal with regular expressions. The object knows these methods: exec(): Executes the test and returns the first hit.

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