标签:style blog http color strong 2014 div sp log
1 string msg = "大刀对单刀,单刀对大刀,大刀斗单刀,单刀夺大刀。"; 2 //判断这个字符串中大刀出现的次数,和每次出现的索引位置 3 int count = 0; 4 string keywords = "大刀"; 5 int index = 0; 6 while ((index = msg.IndexOf(keywords, index)) != -1) { 7 count++; 8 Console.WriteLine("第{0}次出现【{1}】,索引是:{2}", count, keywords, index); 9 //下次从这个词末的位置开始查找,所以要跳过本次该词的长度个字符位置继续查找 10 index = index + keywords.Length; 11 } 12 Console.WriteLine("=========================================="); 13 Console.WriteLine("【{0}】一次一共出现了{1}次。", keywords, count); 14 Console.ReadLine();
运行结果:
标签:style blog http color strong 2014 div sp log
原文地址:http://www.cnblogs.com/tianqy/p/3982687.html