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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Text.RegularExpressions;
  5.  
  6. namespace Rextester
  7. {
  8.     public class Program
  9.     {
  10.         public static void Main(string[] args)
  11.         {
  12.             Regex r = new Regex(
  13.                 @"^([01A-Z](?![01A-Z])|
  14.                 (?<dyadic>[|&>=]\((?!,))|
  15.                 (?<comma-dyadic>,(?!\)))|
  16.                 (?<dBracket-comma>\))|
  17.                 (?<monadic>~\((?!\)))|
  18.                 (?<uBracket-monadic>\)))+
  19.                 (?(dyadic)(?!))(?(comma)(?!))(?(monadic)(?!))$"
  20.                 , RegexOptions.IgnorePatternWhitespace);
  21.             string target = @"&(A,|(B,C)";
  22.             string[] passList = {
  23.                 @"&(A,B)",
  24.                 @"~(0)",
  25.                 @"&(A,~(B))",
  26.                 @">(~(=(D,A)),~(B))",
  27.                 @"=(A,&(C,D))",
  28.                 @"T"};
  29.             for(int i = 0; i<passList.Length; i++){
  30.                 if (r.Match(passList[i]).Success)
  31.                 {
  32.                     Console.WriteLine("String: " + passList[i] + " Matches.");
  33.                 }
  34.                 else{
  35.                     Console.WriteLine("Match expected for"+ passList[i] + " but failed");
  36.                 }
  37.             }
  38.  
  39.             string[] failList = {
  40.                 @"&(A,B",
  41.                 @"~(A,B)",
  42.                 @"&(A,|(B))",
  43.                 @">(~(=(D,A),~(B))",
  44.                 @">",
  45. 		@">(,)",
  46.             	@"|(,A)",
  47.             	@"|(A,)",
  48.             	@"~()",
  49.             	@"DF",
  50.             	@"~(DS)",
  51.             	@"=(AD,BC)"
  52.             };
  53.  
  54.             for(int i = 0; i<failList.Length; i++){
  55.                 if (r.Match(failList[i]).Success)
  56.                 {
  57.                     Console.WriteLine("String: " + failList[i] + " matches but should not.");
  58.                 }
  59.                 else{
  60.                     Console.WriteLine("No match as expected");
  61.                 }
  62.             }
  63.         }
  64.     }
  65. }
Success #stdin #stdout 0.03s 134720KB
comments (?)
stdin
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Standard input is empty
stdout
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String: &(A,B) Matches.
String: ~(0) Matches.
String: &(A,~(B)) Matches.
String: >(~(=(D,A)),~(B)) Matches.
String: =(A,&(C,D)) Matches.
String: T Matches.
No match as expected
No match as expected
No match as expected
No match as expected
No match as expected
No match as expected
No match as expected
No match as expected
No match as expected
No match as expected
No match as expected
No match as expected
https://ideone.com/Zi01KV
language:
C# (gmcs 5.20.1)
created:
6 years ago
visibility:
public

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