var str="I love antzone \n and you 360"; 
var reg=new RegExp("\\d","g"); 
console.log(str.match(reg));

var str="I love antzone \n and you 360"; 
var reg=/\d/g; 
console.log(str.match(reg));

1 alert("腳本之家");
2 var str="I love antzone \n and you 360"; 
3 var reg=/\d/g; 
4console.log(str.match(reg));