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function email()
{
  if (document.getElementById("<%=txtEmail.ClientID%>").value=="")
      {
                 alert("Please enter your Email ID");
                 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;
    }
    }
Posted

1 solution

I would go for a regular expression like that :

[02-9]\d{7,9}

which will match any string beginning with a digit except 1, followed by 7 to 9 digits.
   
v2
Comments
nityasri 22-Mar-13 20:55pm
   
thank you

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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