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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Text.RegularExpressions;
  4. using System.Linq;
  5. public class Test
  6. {
  7. 	public static void Main()
  8. 	{
  9. 		var userDic = new Dictionary<string, string> {
  10. 			{"399969178745962506", "One"},
  11. 			{"104729417217032192", "Two"}
  12. 		};
  13. 		var p =  @"<@!?(\d+)>";
  14. 		var s = "<@399969178745962506> hello to <@!104729417217032192>";
  15.         Console.WriteLine(
  16.         	Regex.Replace(s, p, m => userDic.ContainsKey(m.Groups[1].Value) ?
  17.         		userDic[m.Groups[1].Value] : m.Value
  18.         	)
  19.         );
  20.         Console.WriteLine(
  21.         	Regex.Replace(s, @"(<@!?)(\d+)>", m => userDic.ContainsKey(m.Groups[2].Value) ?
  22.         		$"{m.Groups[1].Value}{userDic[m.Groups[2].Value]}>" : m.Value
  23.         	)
  24.         );
  25. 	}
  26.  
  27.  
  28. }
  29.  
  30.  
Success #stdin #stdout 0.08s 20036KB
comments (?)
stdin
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Standard input is empty
stdout
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One hello to Two
<@One> hello to <@!Two>
https://ideone.com/hjvWEe
language:
C# (gmcs 5.20.1)
created:
7 years ago
visibility:
public

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