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  1. using System;
  2. using System.Text.RegularExpressions;
  3. public class Test
  4. {
  5. 	public static void Main()
  6. 	{
  7. 		 var s = "abcd";
  8. 	     var result = Regex.Replace(s, @"[abc]", @"\$&");
  9. 		 Console.WriteLine(result);
  10. 	}
  11. }
Success #stdin #stdout 0.02s 134592KB
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stdin
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Standard input is empty
stdout
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\a\b\cd
https://ideone.com/XspHAS
language:
C# (gmcs 5.20.1)
created:
5 years ago
visibility:
public

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