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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Text.RegularExpressions;
  5.  
  6. public static class Test
  7. {
  8. 	private static Regex qoutesRegex = new Regex("(?<!\\\\)\\\"", RegexOptions.Compiled);
  9.  
  10. 	public static IEnumerable<string> Split(this string str, 
  11.                                             Func<char, bool> controller)
  12.     {
  13.         int nextPiece = 0;
  14.  
  15.         for (int c = 0; c < str.Length; c++)
  16.         {
  17.             if (controller(str[c]))
  18.             {
  19.                 yield return str.Substring(nextPiece, c - nextPiece);
  20.                 nextPiece = c + 1;
  21.             }
  22.         }
  23.  
  24.         yield return str.Substring(nextPiece);
  25.     }
  26.  
  27.  
  28. public static IEnumerable<string> SplitCommandLine(string commandLine)
  29. {
  30.     bool inQuotes = false;
  31.     bool isEscaping = false;
  32.  
  33.     return commandLine.Split(c => {
  34.         if (c == '\\' && !isEscaping) { isEscaping = true; return false; }
  35.  
  36.         if (c == '\"' && !isEscaping)
  37.             inQuotes = !inQuotes;
  38.  
  39.         isEscaping = false;
  40.  
  41.         return !inQuotes && Char.IsWhiteSpace(c)/*c == ' '*/;
  42.         })
  43.         .Select(arg => arg.Trim())
  44.         .Select(arg => qoutesRegex.Replace(arg, "").Replace("\\\"", "\""))
  45.         .Where(arg => !string.IsNullOrEmpty(arg));
  46. 	}
  47.  
  48. 	public static void Main()
  49. 	{
  50. 		IEnumerable<string> tests = new List<string> (){
  51. 			"\"He whispered to her \\\"I love you\\\".\"",
  52. 			"\"C:\\Program Files\"", 
  53. 			"\"He whispered to her \\\"I love you\\\".\"", 
  54. 			"a\" \\\"asdsd \\\"dsdsd AAA\"b",
  55. 			"\" \\\"asdsd \\\"dsdsd \"basds",
  56. 			"sdsd\" \\\"asdsd \\\"dsdsd \"",
  57. 			"\"A\\\"asdsd \\\"dsdsdA\""
  58. 			};
  59. 		foreach (var test in tests){
  60. 			foreach(var s in SplitCommandLine(test)){
  61. 				Console.WriteLine("Param `{0}`",s);
  62. 			}
  63. 			Console.WriteLine("-----------------");
  64. 		}
  65. 	}
  66. }
Success #stdin #stdout 0.13s 24712KB
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Standard input is empty
stdout
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Param `He whispered to her "I love you".`
-----------------
Param `C:\Program Files`
-----------------
Param `He whispered to her "I love you".`
-----------------
Param `a "asdsd "dsdsd AAAb`
-----------------
Param ` "asdsd "dsdsd basds`
-----------------
Param `sdsd "asdsd "dsdsd `
-----------------
Param `A"asdsd "dsdsdA`
-----------------
https://ideone.com/t9zusx
language:
C# (gmcs 5.20.1)
created:
8 years ago
visibility:
public

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