JavaScript RegExp \w Metacharacter

RegExp 对象参考手册JavaScript RegExp Object

Definition and Usage

The \w metacharacter is used to find word characters.

Word characters include: a-z, A-Z, 0-9, and the underscore, including the _ (underscore) character.

Syntax

new RegExp("\w")

Or in a simpler way:

/\w/


Browser Support

Internet ExplorerFirefoxOperaGoogle ChromeSafari

All major browsers support the \w metacharacter


Examples

Examples

Perform a global search for word characters in the string:

var str="Give 100%!";
var patt1=/\w/g;

Below,the markedtext shows the positions where the expression matched:

Give 100%!

Try it yourself »


RegExp 对象 参考手册JavaScript RegExp Object Other Extensions