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protected
void Page_Load(object
sender, EventArgs e) { string
str = "abcqqqqqabchahhabcaaabcssssdbsssabcaadcsssabc"; string
key = "abc"; MatchCollection mc; Regex r = new
Regex(key); // 定义一个Regex对象实例 mc = r.Matches(str); List<int> matchposition = new
List<int>(); for
(int
i = 0; i < mc.Count; i++) //在字符串中找到所有匹配 { var
s = mc[i].Value; //将匹配的字符串添在字符串数组中 if
(s == key) { matchposition.Add(mc[i].Index); //记录匹配字符的位置 } } for
(int
j = 0; j < matchposition.Count(); j++) { Response.Write(matchposition[j] + "<br />"); } } |
原文：http://www.cnblogs.com/xffy1028/p/3665177.html