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JavaScript RegExp \0 Metacharacter

RegExp Object Reference JavaScript RegExp Object

Example

Search for a NUL character in a string:

var str = "Visit W3Schools.\0Learn Javascript.";
var patt1 = /\0/;

The marked text below shows where the expression gets a match:

Visit W3Schools.\0Learn Javascript.

Try it yourself »


Definition and Usage

The \0 metacharacter is used to find NUL character.

\0 returns the position where the NUL character was found. If no match is found, it returns -1.


Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The \0 metacharacter is supported in all major browsers.


Syntax

new RegExp("\\0")

or simply:

/\0/


RegExp Object Reference JavaScript RegExp Object

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