code: function(find, replace, str) {
  			// On IE9 we have to fake $x replacement
  			if (isRegExpBroken) {
  				return str.replace(find, function() {
  					var val = replace, args = arguments, i;
  
  					for (i = 0; i < args.length - 2; i++) {
  						if (args[i] === undef) {
  							val = val.replace(new RegExp('\\$' + i, 'g'), '');
  						} else {
  							val = val.replace(new RegExp('\\$' + i, 'g'), args[i]);
  						}
  					}
  
  					return val;
  				});
  			}
  
  			return str.replace(find, replace);
  		}
docs: Fix function for IE 9 where regexps isn't working correctly Todo: remove me once MS fixes the bug