 				
 				if (operator == "~=")
 					filterOnRegExp(propertyName, String(value), isBinding);
-				else if (operator == "?=")
-					filterOnController(String(value));
 				else
 					filterOnValue(propertyName, value, isBinding);
 			}

				else
					_selection.length = 0;
			}
			else
			{
				var operator	: String	= getToken(true);

	{
		private static const TYPE_CACHE	: Dictionary		= new Dictionary(true);
		private static const OPERATORS	: Vector.<String>	= new <String>[
			"//", "/", "[", "]", "..", ".", "~=", "?=", "=", "@", "*", "(", ")"
		];
		private static const REGEX_TRIM	: RegExp			= /^\s+|\s+$/;

