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  1. using System;
  2. using System.Linq;
  3. using System.Text.RegularExpressions;
  4. public class Test
  5. {
  6. 	public static void Main()
  7. 	{
  8. 		var text = @"blah blah blah
  9. some stuff to be numbered
  10. more stuff to number";
  11.  
  12.         var index = 1;
  13.         var result = Regex.Replace(text, "^",
  14.             (Match m) => (index++).ToString() + " ",
  15.             RegexOptions.Multiline);
  16.  
  17.         Console.WriteLine(result);
  18. 	}
  19. }
Success #stdin #stdout 0.06s 34088KB
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stdin
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Standard input is empty
stdout
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1 blah blah blah
2 some stuff to be numbered
3 more stuff to number
https://ideone.com/9LD0ZY
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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