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  1. using System;
  2. using System.Text.RegularExpressions;
  3. using System.IO;
  4. using System.Linq;
  5. public class Test
  6. {
  7. 	public static void Main()
  8. 	{
  9. 		var s = "1|2||3|||4||||5|||||6||||||7|||||||";
  10. 		var data = Regex.Replace(s, @"(?<!\|)(?<even_pipes>(?:\|{2})*)\|(?!\|)", "${even_pipes}");
  11. 		Console.WriteLine(data);
  12. 	}
  13.  
  14. }
Success #stdin #stdout 0.11s 24696KB
comments (?)
stdin 
Standard input is empty
stdout 
12||3||4||||5||||6||||||7||||||
https://ideone.com/QVBSpF
language:
C# (gmcs 5.20.1)
created:
8 years ago
visibility:
secret

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