fork download 
  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Text;
  5. using System.Text.RegularExpressions;
  6.  
  7. namespace RegexNegativePatternsForString
  8. {
  9. 	internal class Program
  10. 	{
  11. 		public static void Main()
  12. 		{
  13. 			//
  14. 			// 「文字列 ab を含まない」という正規表現は
  15. 			// ^([^a]*a+[^ab])*[^a]*a*$
  16. 			// であってるのかテスト
  17. 			//
  18. 			string ng_word2 = "ab";
  19. 			Regex regex2 = new Regex(@"^([^a]*a+[^ab])*[^a]*a*$");
  20. 			Test(regex2, ng_word2);
  21. 		}
  22.  
  23. 		static void Test(Regex regex, string ng_word)
  24. 		{
  25. 			// aからz
  26. 			var a2z = Enumerable.Range(0, 26).Select(it => Convert.ToChar('a' + it));
  27.  
  28. 			// 任意の2文字でテスト
  29. 			StringBuilder sb = new StringBuilder();
  30. 			foreach (var item in DP(a2z, a2z))
  31. 			{
  32. 				sb.Clear();
  33. 				sb.Append(item.Item1);
  34. 				sb.Append(item.Item2);
  35.  
  36. 				string input = sb.ToString();
  37. 				Test(input, regex, ng_word);
  38. 			}
  39.  
  40. 			// 任意の3文字でテスト
  41. 			foreach (var item in DP(a2z, a2z, a2z))
  42. 			{
  43. 				sb.Clear();
  44. 				sb.Append(item.Item1);
  45. 				sb.Append(item.Item2);
  46. 				sb.Append(item.Item3);
  47.  
  48. 				string input = sb.ToString();
  49. 				Test(input, regex, ng_word);
  50. 			}
  51.  
  52. 			// 任意の4文字でテスト
  53. 			foreach (var item in DP(a2z, a2z, a2z, a2z))
  54. 			{
  55. 				sb.Clear();
  56. 				sb.Append(item.Item1);
  57. 				sb.Append(item.Item2);
  58. 				sb.Append(item.Item3);
  59. 				sb.Append(item.Item4);
  60.  
  61. 				string input = sb.ToString();
  62. 				Test(input, regex, ng_word);
  63. 			}
  64.  
  65. 			// 任意の5文字でテスト
  66. 			foreach (var item in DP(a2z, a2z, a2z, a2z, a2z))
  67. 			{
  68. 				sb.Clear();
  69. 				sb.Append(item.Item1);
  70. 				sb.Append(item.Item2);
  71. 				sb.Append(item.Item3);
  72. 				sb.Append(item.Item4);
  73. 				sb.Append(item.Item5);
  74.  
  75. 				string input = sb.ToString();
  76. 				Test(input, regex, ng_word);
  77. 			}
  78.  
  79. 			Console.WriteLine("===== PASS! NG-word: {0} =====", ng_word);
  80. 		}
  81.  
  82. 		static void Test(string input, Regex regex, string ng)
  83. 		{
  84. 			bool actual = regex.IsMatch(input);
  85. 			bool expected = !input.Contains(ng);
  86. 			if (actual != expected)
  87. 			{
  88. 				string errMsg = string.Format("assertion failure! input: {0}, regex: {1}, NG-word: {2}", input, regex.ToString(), ng);
  89. 				throw new Exception(errMsg);
  90. 			}
  91. 		}
  92.  
  93. 		static IEnumerable<Tuple<T1, T2>> DP<T1, T2>(IEnumerable<T1> set1, IEnumerable<T2> set2)
  94. 		{
  95. 			foreach (var item1 in set1)
  96. 			{
  97. 				foreach (var item2 in set2)
  98. 				{
  99. 					yield return Tuple.Create(item1, item2);
  100. 				}
  101. 			}
  102. 		}
  103.  
  104. 		static IEnumerable<Tuple<T1, T2, T3>> DP<T1, T2, T3>(IEnumerable<T1> set1, IEnumerable<T2> set2, IEnumerable<T3> set3)
  105. 		{
  106. 			foreach (var item1 in set1)
  107. 			{
  108. 				foreach (var item2 in set2)
  109. 				{
  110. 					foreach (var item3 in set3)
  111. 					{
  112. 						yield return Tuple.Create(item1, item2, item3);
  113. 					}
  114. 				}
  115. 			}
  116. 		}
  117.  
  118. 		static IEnumerable<Tuple<T1, T2, T3, T4>> DP<T1, T2, T3, T4>(IEnumerable<T1> set1, IEnumerable<T2> set2, IEnumerable<T3> set3, IEnumerable<T4> set4)
  119. 		{
  120. 			foreach (var item1 in set1)
  121. 			{
  122. 				foreach (var item2 in set2)
  123. 				{
  124. 					foreach (var item3 in set3)
  125. 					{
  126. 						foreach (var item4 in set4)
  127. 						{
  128. 							yield return Tuple.Create(item1, item2, item3, item4);
  129. 						}
  130. 					}
  131. 				}
  132. 			}
  133. 		}
  134.  
  135. 		static IEnumerable<Tuple<T1, T2, T3, T4, T5>> DP<T1, T2, T3, T4, T5>(IEnumerable<T1> set1, IEnumerable<T2> set2, IEnumerable<T3> set3, IEnumerable<T4> set4, IEnumerable<T5> set5)
  136. 		{
  137. 			foreach (var item1 in set1)
  138. 			{
  139. 				foreach (var item2 in set2)
  140. 				{
  141. 					foreach (var item3 in set3)
  142. 					{
  143. 						foreach (var item4 in set4)
  144. 						{
  145. 							foreach (var item5 in set5)
  146. 							{
  147. 								yield return Tuple.Create(item1, item2, item3, item4, item5);
  148. 							}
  149. 						}
  150. 					}
  151. 				}
  152. 			}
  153. 		}
  154. 	}
  155. }
  156.  
Time limit exceeded #stdin #stdout 5s 33352KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/5YcFSx
language:
C# (gmcs 5.20.1)
created:
2 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!