Checking an email address - Version 01 : EMail « Regular Expressions « JavaScript Tutorial

Home
JavaScript Tutorial
1.Language Basics
2.Operators
3.Statement
4.Development
5.Number Data Type
6.String
7.Function
8.Global
9.Math
10.Form
11.Array
12.Date
13.Dialogs
14.Document
15.Event
16.Location
17.Navigator
18.Screen
19.Window
20.History
21.HTML Tags
22.Style
23.DOM Node
24.Drag Drop
25.Object Oriented
26.Regular Expressions
27.XML
28.GUI Components
29.Dojo toolkit
30.jQuery
31.Animation
32.MS JScript
JavaScript Tutorial » Regular Expressions » EMail 
26.4.1.Checking an email address - Version 01
<html>
<head>
<title>Checking an email address - Version 01</title>
<script type="text/javascript" language="javascript">
<!-- //
function IsMatchingAddress(str){
    var myRegExp = /[a-z0-9-]{1,30}@[a-z0-9-]{1,65}.[a-z]{3}/ ;
    return myRegExp.test(str)
}

function TestGuess(){

var EmailAddr = "[email protected]".toLowerCase();
alert(IsMatchingAddress(EmailAddr));
}
// -->
</script>
</head>
<body>
<h3>This page allows you to enter and check
 an email address such as [email protected]</h3>
<form>
<button type="Button" onclick="TestGuess()">
Click here to enter email address</button>
</form>
</body>
</html>
26.4.EMail
26.4.1.Checking an email address - Version 01
26.4.2.Checking an email address - Version 02
26.4.3.Use Regular expression to validate the Email
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.