Code:public static int StringMatch(string baseStr, string compStr) { //bool b = false; int count = 0; //int index = 0; for (int i = 0; i < baseStr.Length; i++) { for (int j = 0; j < compStr.Length; j++) { if (baseStr[i] == compStr[j]) { count++; } if (count == compStr.Length) { return i - compStr.Length + 1; } } } return -1; } static void Main(string[] args) { string txt = "dhgrogood"; string phrase = "good"; int res = StringMatch(txt, phrase); Console.WriteLine(res); } } }