Rai Yawar Ijaz

<script language = "Javascript">
/**
* DHTML email validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
*/

function echeck(str) {

var at="@"
var dot="."
var lat=str.indexOf(at)
var lstr=str.length
var ldot=str.indexOf(dot)
if (str.indexOf(at)==-1){
alert("Invalid E-mail ID")
return false
}

if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
alert("Invalid E-mail ID")
return false
}

if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
alert("Invalid E-mail ID")
return false
}

if (str.indexOf(at,(lat+1))!=-1){
alert("Invalid E-mail ID")
return false
}

if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
alert("Invalid E-mail ID")
return false
}

if (str.indexOf(dot,(lat+2))==-1){
alert("Invalid E-mail ID")
return false
}

if (str.indexOf(" ")!=-1){
alert("Invalid E-mail ID")
return false
}

return true
}

function ValidateForm(){
var emailID=document.frmSample.txtEmail

if ((emailID.value==null)||(emailID.value=="")){
alert("Please Enter your Email ID")
emailID.focus()
return false
}
if (echeck(emailID.value)==false){
emailID.value=""
emailID.focus()
return false
}
return true
}
</script>





<form name="frmSample" method="post" action="#" onSubmit="return ValidateForm()">
<p>Enter an Email Address :
<input type="text" name="txtEmail">
</p>
<p>
<input type="submit" name="Submit" value="Submit">
</p>
</form>

<a href="">hai</a>

hello there

abt the mistake in the script. Try to enter the id as alpa@test.com. which is an invalid id bt still it accepts it. Do let me know any correction thx in advance

use regular expresions is better

plz tell me about validation of email

Very good.

Thanks

:-)

how to validate its DNS and SMTP number?

thanks for this code to valiadate

Hello and Thanks

Hello frns,
i've tried several methods.. but still unable 2 trap in valid e-mails.. any string with a format aaa@aa.aa is acceptable by these codes... is there ne way by which i cn trap the invalid ids..
One more thing cn ne 1 explain how 2 use regular expression 2 validate email ids?

Hi there, i need to validate multi email-ids seperated with ,(comma).
Thanks in advance

Hi..
its really fine.. good work...

how can we do the same by using regular expressions????

Is this code not too heavy ?i think it is not very good for aspx page.

This is easy way to validate the email.your post is really very helpful.thanks for sharing.

xghfv ggjkh kjjhh hfvfdb hjhjjjjjjjj vgdrdty ytdgv