Elimine todos los caracteres de la cadena y deje solo números JavaScript
myString = myString.replace(/\D/g,'');
Cruel Cormorant
myString = myString.replace(/\D/g,'');
var text = "Player's got to * play! #justsaying";
var result = text.replace(/[^A-Z\d\s]/gi,'');
console.log(result);