C/C++/C# 字串中 計算/統計 特定字串出現次數 [How would you count the occurrences of a string within a string?]

資料來源: http://jengting.blogspot.com/2014/06/c_16.html

C# Code:

namespace StringCount
{
    class Program
    {
        static void Main(string[] args)
        {
            string strData = "Hello, how are youyou you you you, you you yy?";
            string goal = "you";
            string strReplace = strData.Replace(goal, "");//字串替換
            int times = (strData.Length - strReplace.Length) / goal.Length ;// 長度差/尋長字串長度
            string message = string.Format("字串 {0} 在字串 {1} 中，出現 {2} 次", goal, strData, times);
            Console.WriteLine(message);
        }
    }
}