Untitled

onchange check for numbers and symbols

<input name="full_name" type="text" id="full_name" maxlength="30" required placeholder="eg. Bill Gates" minlength="4" class="required" required pattern="^[a-zA-Z0-9]+[^0-9.]$" onchange="?">

       

<script>

function validate() {

    var box = document.form.full_name;

 

        re=/^[a-zA-Z]*$/;

 

        if(!re.exec(box.value)) {

            alert( "Symbols/Numbers are not alowed in Name");

            box.focus();

            return;

        }//end name if

}

</script>