var _str:String = "りんご　バナナ　みかん";
var word_str:String = "りんご　";
var nPosition:Number = _str.indexOf(word_str);
trace(nPosition);
var nLength:Number = _str.length;
var nWord:Number = word_str.length;
var sub_str:String = _str.substring(nPosition+nWord, nLength);
trace(sub_str);

var _str:String = "りんご　バナナ　いちご　みかん　オレンジ";
var word_str:String = "みかん　";
var string_array:Array = _str.split(word_str);
trace(string_array);
var sub_str:String = string_array.join("");
trace(sub_str);

var _str:String = "中野　中野町　北中野町";
var towns_array:Array = _str.split("　");
trace(towns_array);
var word_str:String = "中野";
for (var i:Number=towns_array.length-1; i>=0; i--) {
	if (towns_array[i] == word_str) {
		towns_array.splice(i, 1);
	}
}
var sub_str:String = towns_array.join("　");
trace(sub_str);