c#正则提取和替换

2023-11-07 03:32•linux•阅读 1956

/// <summary>
/// 正则表达式提取和替换内容
/// </summary>
public static string Contentextract()
{
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);
}
return result; //结果：大家好！我是张三，入职时间：2010-10-7，邮箱：zhangsan@163.com 自我介绍。
}