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validate email address

Rajarajeswari M 
function validateEmail(email) {
    const 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());
}
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0
0
F Inta 100 points 

                                    function validateEmail(email) {
    const re = /^(([^&lt;&gt;()[\]\\.,;:\s@&quot;]+(\.[^&lt;&gt;()[\]\\.,;:\s@&quot;]+)*)|(&quot;.+&quot;))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
    return re.test(String(email).toLowerCase());
}

0
0
4
10
Finn green 100 points 

                                    //Author: Mohammad Arman Khan
//Regular Expresssion for e-mail validation
var email_validator_regex = /^[a-zA-Z0-9.!#$%&amp;'*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/;

4 (10 Votes)
0
5
2
Jason Ou 100 points 

                                    
# Language: Perl

sub Validate_Email($)
{
   my $sEmail = $_[0];
   my $sRetMsg = &quot;&quot;;

   my $sUserNmRegex = &quot;^[[:alnum:]]+([.!#\$\%&amp;'*+-\/=?^_'{|]?[[:alnum:]]+)*&quot;;
   my $sDomainRegex = &quot;@[[:alnum:]]+([.-]{1}[[:alnum:]]+)*&quot;;
   my $sEndRegex = &quot;([.]{1}[[:alnum:]]+)+&quot;;

   #  Work
   #--------#

   if ($sEmail =~ /$sUserNmRegex$sDomainRegex$sEndRegex$/) {
      $sRetMsg = &quot;Email is valid&quot;;
   }
   else {
      $sRetMsg = &quot;Email is not valid&quot;;
   }

   return $sRetMsg;
}

my $sEmail = '[email protected]';
print &quot;[Email:$sEmail] : &quot; . Validate_Email($sEmail) . &quot;\n&quot;;

# OUTPUT -&gt; [Email:[email protected]] : Email is valid

5 (2 Votes)
0
3.67
6
David B Teague 90 points 

                                    public bool IsValid(string emailaddress)
{
    private const string EmailRegEx = @&quot;^[\w!#$%&amp;'*+\-/=?\^_`{|}~]+(\.[\w!#$%&amp;'*+\-/=?\^_`{|}~]+)*&quot;
         + &quot;@&quot;
         + @&quot;((([\w]+([-\w]*[\w]+)*\.)+[a-zA-Z]+)|&quot;
         + @&quot;((([01]?[0-9]{1,2}|2[0-4][0-9]|25[0-5]).){3}[01]?[0-9]{1,2}|2[0-4][0-9]|25[0-5]))\z&quot;;
    return new Regex(EmailRegEx, RegexOptions.None).Match(emailaddress).Success;
}

3.67 (6 Votes)
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