email validation

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SOLUTION

ksivananth

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ksivananth

if it is invalid, it will through AddressException!

ASKER

javascript:
function validate5(){
if (!validate4()) return false;
if (document.reportgen.tomail.value == "") {
alert(document.getElementById('fillmail').innerHTML);
return false;
}
return true;
};

can you please show how i combine with
something like this
http://www.devx.com/tips/Tip/28334
but not just hotmail...any mailer...

do you want a javascritp fuction?

SOLUTION

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ASKER

wow! this is one long script...i will use it...
the operator comand is "onsubmit" , i cant use it on the in the <form...>
<form name=emailform onSubmit="return emailCheck(this.email.value);">
can i somehow operat it from
my submit button:
response.write "<br><a href=""#"" onClick=""if(validate5() ){document.reportgen.action='ptomail.asp?rep=1';document.reportgen.submit();}"">submit</a>"
?

SOLUTION

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ASKER

that part i understand...i asked how i can call this script from my script above or from the submit button

ASKER

i will explain again:

here is my button:
response.write "<br><a href=""#"" onClick=""if(validate5() ){document.reportgen.action='ptomail.asp?rep=1';document.reportgen.submit();}"">submit</a>"

how can i add the operator to that script:
http://javascript.internet.com/forms/check-email.html
into my button
?

ASKER CERTIFIED SOLUTION

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ASKER

where?
var emailStr = document.reportgen.tomail.value ;

i studied this script a little...there is so much things i can't understand there...
for exmaple why we need this ip check?


 
<SCRIPT LANGUAGE="Javascript">
 
function emailCheck (emailStr) {
 
var emailPat=/^(.+)@(.+)$/
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
 
var validChars="\[^\\s" + specialChars + "\]"
 
var quotedUser="(\"[^\"]*\")"
 
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
 
var atom=validChars + '+'
 
var word="(" + atom + "|" + quotedUser + ")"
 
var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
 
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
 
 
var matchArray=emailStr.match(emailPat)
if (matchArray==null) {
 
	alert("Email address seems incorrect (check @ and .'s)")
	return false
}
var user=matchArray[1]
var domain=matchArray[2]
 
 
if (user.match(userPat)==null) {
    // user is not valid
    alert("The username doesn't seem to be valid.")
    return false
}
 
 
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
	  for (var i=1;i<=4;i++) {
	    if (IPArray[i]>255) {
	        alert("Destination IP address is invalid!")
		return false
	    }
    }
    return true
}
 
var domainArray=domain.match(domainPat)
if (domainArray==null) {
	alert("The domain name doesn't seem to be valid.")
    return false
}
 
 
var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length
if (domArr[domArr.length-1].length<2 || 
    domArr[domArr.length-1].length>3) {
   alert("The address must end in a three-letter domain, or two letter country.")
   return false
}
 
if (len<2) {
   var errStr="This address is missing a hostname!"
   alert(errStr)
   return false
}
 
 
return true;
}
 
</script>

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