This function can be used on the onkeypress event of a HTML input box to only allow entry of text charactes: A-Z, a-z, dash, space, and backspace.
Usage:
<input type="text" id="name" onkeypress="return textonly(event);" />
Javascript:
function textonly(e){
var code;
if (!e) var e = window.event;
if (e.keyCode) code = e.keyCode;
else if (e.which) code = e.which;
var character = String.fromCharCode(code);
//alert('Character was ' + character);
//alert(code);
//if (code == 8) return true;
var AllowRegex = /^[\ba-zA-Z\s-]$/;
if (AllowRegex.test(character)) return true;
return false;
}
