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  1. using System;
  2. using System.Collections.Generic;
  3. using System.IO;
  4. using System.Linq;
  5. using System.Text.RegularExpressions;
  6.  
  7. public class Test
  8. {
  9. 	public static void Main()
  10. 	{
  11.     	var s = "Hello\nabc\nHello\ndef\nHello";
  12.     	var i = 0;
  13.     	var result = Regex.Replace(s, "Hello", m => string.Format("{0}{1}",m.Value,++i), RegexOptions.IgnoreCase);
  14.        	Console.WriteLine(result);
  15. 	}
  16. }
Success #stdin #stdout 0.02s 30136KB
comments (?)
stdin 
Standard input is empty
stdout 
Hello1
abc
Hello2
def
Hello3
https://ideone.com/CptLDz
language:
C# (gmcs 5.20.1)
created:
7 years ago
visibility:
secret

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