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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 = "(1 * (2 - 3)) + 4";
  9. 		var pattern = @"(?=(\((?>[^()]+|(?<c>)\(|(?<-c>)\))*(?(c)(?!))\)))";
  10. 		var results = Regex.Matches(text, pattern)
  11. 			.Cast<Match>()
  12. 			.Select(m => m.Groups[1].Value)
  13. 			.ToList();
  14. 		Console.WriteLine(String.Join(", ", results));
  15. 	}
  16. }
Success #stdin #stdout 0.09s 30868KB
comments (?)
stdin 
Standard input is empty
stdout 
(1 * (2 - 3)), (2 - 3)
https://ideone.com/VHuGYb
language:
C# (gmcs 5.20.1)
created:
3 years ago
visibility:
secret

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