string str1 = "123AAA456AAAA789AAAAAAA1011";            string str2 = "123456789AAA23456789AAAA3456789AAAAAAA4567890";            string str3 = "123456788AAA23456789AAAA3456789AAAAAAA4567890";            string str4 = "123456788AAA0AAAA0AAAAAAA";            var strArry = (str1 + "&" + str2 + "&" + str3 + "&" + str4).Split('&'); //把字符串连接为数组            char[] str1Arry = str1.ToArray();            int js = 0;            List
     
       TempArry = new List
      
       ();            for (int i = 0; i < str1Arry.Length; i++)            {                if (str1Arry[i] == 'A')                {                    js++;                    continue;                }                if (js != 0) //找到A, 不等于A时候执行                {                    TempArry.Add(js);                    js = 0; //js归0                }            }