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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 str = "((1+2)*(4+3))";
  12. 		var pattern = @"(?=(\((?>[^()]+|(?<o>)\(|(?<-o>)\))*(?(o)(?!)|)\)))"; 
  13.     	var result = Regex.Matches(str, pattern)
  14.     		.Cast<Match>()
  15.     		.Select(x => x.Groups[1].Value);
  16.        	Console.WriteLine(string.Join("\n", result));
  17. 	}
  18. }
Success #stdin #stdout 0.04s 134592KB
comments (?)
stdin
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Standard input is empty
stdout
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((1+2)*(4+3))
(1+2)
(4+3)
https://ideone.com/9y5jl2
language:
C# (gmcs 5.20.1)
created:
6 years ago
visibility:
secret

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