javascript is email code example
Example 1: email regex javscript
function validateEmail(email) {
var re = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
return re.test(String(email).toLowerCase());
}
Example 2: js check if email is valid
function ValidateEmail(mail)
{
if (/^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/.test(myForm.emailAddr.value))
{
return (true)
}
alert("You have entered an invalid email address!")
return (false)
}
Example 3: email validation js
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<form method="post" action="">
Email:<input type="text" id="email" onkeyup="validation()">
</form>
</body>
<script type="text/javascript">
function validation(){
var email=document.getElementById("email").value;
var emailpattern=/^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/;
if(emailpattern.test(email))
{
document.getElementById("email").style.backgroundColor='yellow';
}
else
{
document.getElementById("email").style.backgroundColor='red'; }
}
</script>
</html>
Example 4: email js
npm install emailjs-com
Example 5: validate email function
# Language: Perl
sub Validate_Email($)
{
my $sEmail = $_[0];
my $sRetMsg = "";
my $sUserNmRegex = "^[[:alnum:]]+([.!#\$\%&'*+-\/=?^_'{|]?[[:alnum:]]+)*";
my $sDomainRegex = "@[[:alnum:]]+([.-]{1}[[:alnum:]]+)*";
my $sEndRegex = "([.]{1}[[:alnum:]]+)+";
# Work
#--------#
if ($sEmail =~ /$sUserNmRegex$sDomainRegex$sEndRegex$/) {
$sRetMsg = "Email is valid";
}
else {
$sRetMsg = "Email is not valid";
}
return $sRetMsg;
}
my $sEmail = '[email protected]';
print "[Email:$sEmail] : " . Validate_Email($sEmail) . "\n";
# OUTPUT -> [Email:EmailExample@gmail.com] : Email is valid