Question

我有这个字符串

You have 6 uncategorized contacts from <an id='316268655'>SAP SE</an>

我想收集2部分字符串

you have 6 uncategorised contacts from
<an >Sap SE </an>

下面没有id属性尝试正在运行

var parts = Regex.Split(value, @"(<an[\s\S]+?<\/an>)").Where(l => l != string.Empty).ToArray();

但是从时间属性ID即将来临，我无法解析它。

任何人都可以用语法帮助我

Answer 1

要获得输入的第二部分，我之后添加了代码部分 - 这是完整代码

 using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text.RegularExpressions;

    namespace PatternMatching
    {
        public class Program
        {
          public static void Main(string[] args)
    {
        string input = "You have 6 uncategorized contacts from <an id='316268655'>SAP SE</an>";


       var parts = Regex.Split(input, @"(<an[\s\S]+?<\/an>)").Where(l => l != string.Empty).ToArray();   
              foreach(var a in parts)
              {
                   Console.WriteLine(a);
                   break;
              }
         string pattern = "<an.*?>(.*?)<\\/an>";      
      MatchCollection matches = Regex.Matches(input, pattern);

       if (matches.Count > 0)
         foreach (Match m in matches)
               Console.WriteLine(m.Groups[1]);

        Console.ReadLine();
    }
        }
    }

Answer 2

添加此答案，因为它可以帮助您找到所需的确切答案（第二部分中的标记）

public class Program
{
 public static void Main(string[] args)
{
string input = "You have 6 uncategorized contacts from <an id='316268655'>SAP SE</an>";   

var parts = Regex.Split(input, @"(<an[\s\S]+?<\/an>)").Where(l => l != string.Empty).ToArray();  
string part="";
 foreach(var a in parts)
{
  part =a;
      if(a.Contains("<an")){
      part = Regex.Replace(a, @"(?i)<(an)(?:\s+(?:""[^""]*""|'[^']*'|[^""'>])*)?>", "<$1>");

       }
        Console.WriteLine(part);
   }
   Console.ReadLine();
}
}

根据特定条件拆分c＃字符串的正则表达式

2 个答案: