Validation

Rashid Khan

Hello.
i am facing a problem in form validation.
i designed few field user name/ password /confirm password /, age and email address.
i create a function in java script. all text validation is working but email address making problem, i used regex but nothing happen, here is my code
if(EmailId=='')
        {
            alert("Enter Email id");
            document.getElementById("txtEmail").focus();
            return false;
         }
//its working if i leave blank its not allowing but when i type wrong or right email address its say enter correct email
     else
     {
     if(!EmailId.match('/^(\".*\"|[A-Za-z]\w*)@(\[\d{1,3}(\.\d{1,3}){3}]|[A-Za-z]\w*(\.[A-Za-z]\w*)+)$/'))
        {
            alert("Enter correct Email.");
            document.getElementById("txtEmail").focus();
            return false;
       }
       }
on run time its says enter correct email.
so could you please tell me where i m making a mistake.
and also tell me how can i clear text field when error msg occur nd after clicking ok focus set on tht field

if i m not clear in my query. tell me , i m pooped out
Thanks
Regards
Rashid

2 Replies

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Kirtan Patel17y ago

Accepted answer

Here is Code How you can do Email Validation Correctly With java Script

if my answer helps you then check "Do you like this answer" check box please :)

 function validateEmail()
             {
                
                var emailRegEx = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
              
                if (document.getElementById('Text1').value.match(emailRegEx))
                {

                    alert('Correct!!');
                }
                else
                {

                    alert('Wrong Email !!');
                  
                }
            }

Ravi Panara16y ago
Try following javascript.

var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
          var emailaddress = document.getElementById('<%=txtemail.ClientID %>').value;
          if(reg.test(emailaddress) == false)
          {
             alert('Invalid Email Address');

             return false;
          }
         else
        {
            alert('Valid Email Address');
         }
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