NSString 文字列検索

// NSString　文字列検索

//（8）文字列内で、ある文字列を検索

NSString *str01 =@"あいうえお";

NSRange searchResult = [str01 rangeOfString:@"うえ"];

if (searchResult.location == NSNotFound) {

printf("見つかりません");

} else {

printf("Position: %d, Length: %d です。\n",

  searchResult.location, searchResult.length);

}