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  1. using System;
  2. using System.Text.RegularExpressions;
  3.  
  4. public class Test
  5. {
  6. 	public static void Main()
  7. 	{
  8. 		var r = Regex.Replace("a b c d e f g", @"^(\w)\s*(\w)\s*(\w)\s*(\w)", "$1$2$3$4");
  9. 		Console.WriteLine(r);
  10. 	}
  11. }
Success #stdin #stdout 0.08s 24480KB
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stdin
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Standard input is empty
stdout
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abcd e f g
https://ideone.com/WpJGjn
language:
C# (gmcs 5.20.1)
created:
8 years ago
visibility:
public

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