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Email Validation with Javascript


Hi

try this example to validate Email using Javascript

if(document.getElementById("<%=txtEmail.ClientID %>").value=="")
      {
                 alert("Email id can not be blank");
                document.getElementById("<%=txtEmail.ClientID %>").focus();
                return false;
      }
     var emailPat = /^(\".*\"|[A-Za-z]\w*)@(\[\d{1,3}(\.\d{1,3}){3}]|[A-Za-z]\w*(\.[A-Za-z]\w*)+)$/;
     var emailid=document.getElementById("<%=txtEmail.ClientID %>").value;
     var matchArray = emailid.match(emailPat);
     if (matchArray == null)
    {
               alert("Your email address seems incorrect. Please try again.");
               document.getElementById("<%=txtEmail.ClientID %>").focus();
               return false;
    }

Hope this helps

Good Luck

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  1. RRaveen
    July 2, 2009 at 10:21 am

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  2. March 26, 2013 at 2:38 pm

    This is an excellent library for verifying email addresses:
    http://www.kellermansoftware.com/p-37-net-email-validation.aspx

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