Special character validation using JavaScript

Question

Special characters <, >, %, \'\', \"\", $ and ^ are not allowed in a textbo

Answer 1

Try this:

$('#text').keypress(function (e) {
    validationForSpecialchar(e); 		        
});

function validationForSpecialchar(e){
    var regex = new RegExp("^[a-zA-Z0-9-]+$"); 
    var str = String.fromCharCode(!e.charCode ? e.which : e.charCode);
    if (regex.test(str)) {
        return true;
    }
    e.preventDefault();
    return false;
}

Enter something here :