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JavaScript & HTML DOM Reference Manual

Overview

JavaScript Object

JavaScript Array Object JavaScript Boolean Object JavaScript Date Object JavaScript Math Object JavaScript Number Object JavaScript String Object JavaScript RegExp Object JavaScript Global properties / functions JavaScript Operator

Browser Object

Window Object Navigator Object Screen Object History Object Location Object

DOM Object

HTML DOM Document Object HTML DOM Element object HTML DOM Attribute object HTML DOM Event object

HTML Object

<a> <area> <audio> <base> <blockquote> <body> <button> <canvas> <col> <colgroup> <datalist> <del> <details> <dialog> <embed> <fieldset> <form> <iframe> <frameset > <img> <ins> <input> - button <input> - checkbox <input> - color <input> - date <input> - datetime <input> - datetime-local <input> - email <input> - file <input> - hidden <input> - image <input> - month <input> - number <input> - range <input> - password <input> - radio <input> - reset <input> - search <input> - submit <input> - text <input> - time <input> - url <input> - week <keygen> <link> <label> <legend> <li> <map> <menu> <menuItem> <meta> <meter> <object> <ol> <optgroup> <option> <param> <progress> <q> <script> <select> <source> <style> <table> <td> <th> <tr> <textarea> <title> <time> <track> <video>

RegExp \ W metacharacter

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RegExp Object Reference

JavaScript RegExp Object

Definition and Usage

\ W metacharacter is used to find a non-word character.

Word characters include: az, AZ, 0-9, and the underscore.

grammar

new RegExp("\W")

或者更简单方式：

/\W/

Browser Support

All major browsers support \ W metacharacter

Examples

Examples

For non-word character string global search:

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

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

Give 100 %!

RegExp Object Reference

JavaScript RegExp Object

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