Aadhar card number validation using javascript

Here we will learn how to Validate Aadhaar Card Number in Javascript.

To validate Aadhaar Card Number using javascript we will use Regular Expression and we will see how to use regular expression for it.

We Know that Aadhaar Card has 12-digits Numbers.

Javascript code to match pattern and display result: aadhar card validation

<script> 
   function validation()
       {   
            
            var regexp=/^[2-9]{1}[0-9]{3}\s{1}[0-9]{4}\s{1}[0-9]{4}$/;
           
            var x=document.getElementById("aadhaar").value;
           if(regexp.test(x))
               {
                   window.alert("Valid Aadhar no.");
                   
               }
        else{ window.alert("Invalid Aadhar no.");
              }
   </script>