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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. string pattern = @"X\s*([^\sX](?:[^X]*[^\sX])?)";
  9. string input = @"X
  10. aaaa
  11. X
  12. bbbb
  13. X
  14. cccc
  15. XX";
  16.  
  17. foreach (Match m in Regex.Matches(input, pattern))
  18. {
  19.     Console.WriteLine(m.Groups[1].Value);
  20. }
  21. 	}
  22. }
  23.  
Success #stdin #stdout 0.06s 27412KB
comments (?)
stdin 
Standard input is empty
stdout 
aaaa
bbbb
cccc
https://ideone.com/INhkNY
language:
C# (NET 6.0)
created:
2 years ago
visibility:
secret

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