C# 正则获取数据

来源：C# 正则提取字符串（提取一个或多个） - 虚若影 - 博客园 (cnblogs.com)

代码：

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实例一：<br>string result = "";             string str = "大家好! <User EntryTime='2010-10-7' Email='zhangsan@163.com'>张三</User> 自我介绍。";             Regex regex = new Regex(@"<User\s*EntryTime='(?<time>[\s\S]*?)'\s+Email='(?<email>[\s\S]*?)'>(?<userName>[\s\S]*?)</User>", RegexOptions.IgnoreCase);             Match match = regex.Match(str);             if (match.Success)             {                 string userName = match.Groups["userName"].Value; //获取用户名                 string time = match.Groups["time"].Value; //获取入职时间                 string email = match.Groups["email"].Value; //获取邮箱地址                 string strFormat = String.Format("我是：{0}，入职时间：{1}，邮箱：{2}", userName, time, email);                 result = regex.Replace(str, strFormat); //替换内容                 Console.WriteLine(result);             } 实例二：             var s = "http://www.baidu.com/articles/2018/3/15/sss.html";             var reg = new Regex(@"articles/(?<date>\d{4}/\d{1,2}/\d{1,2})/", RegexOptions.IgnoreCase);             Match _match = reg.Match(s);             if (_match.Success)             {                 Console.WriteLine(_match.Groups["date"]);             }