JavaScript RegExp \xddMetacharacter

RegExp 对象参考手册JavaScript RegExp Object

Definition and Usage

The \xdd metacharacter finds, by hexadecimal number,ddthe specified character.

If no match is found, null is returned.

Syntax

new RegExp("\xdd")

Or in a simpler way:

/\xdd/


Browser Support

Internet ExplorerFirefoxOperaGoogle ChromeSafari

All major browsers support the \xdd metacharacter.


Examples

Examples

Perform a global search for hexadecimal 57 (W) in a string:

var str="Visit Example. Hello World!";
var patt1=/\x57/g;

The followingmarkedtext shows the position where the expression obtained a match:

Visit Example. Hello World!

Try it yourself »


RegExp 对象参考手册JavaScript RegExp Object Other Extensions