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  1. using System;
  2. using System.Linq;
  3. using System.Text.RegularExpressions;
  4.  
  5. public class Test
  6. {
  7. 	public static void Main()
  8. 	{
  9. 		char[] separators = { ' ', '.', ',', '!', '?', ':', ';', '(', ')', '\t' };
  10. 		string[] wordsToDelete = { "Hello", "Thanks", "kinda" };
  11. 		string SepPattern = new String(separators).Replace(@"\", @"\\").Replace("^", @"\^").Replace("-", @"\-").Replace("]", @"\]");
  12. 		var pattern = $@"\b(?:{string.Join("|", wordsToDelete.Select(Regex.Escape))})\b[{SepPattern}]*";
  13. 		Console.WriteLine(pattern);
  14. 		Regex rx = new Regex(pattern, RegexOptions.Compiled);
  15. 		DeleteWordsFromText("Hello, how are you?", rx);
  16. 		DeleteWordsFromText("Thanks, I am kinda. good.", rx);
  17. 	}
  18. 	public static void DeleteWordsFromText(string text, Regex p)
  19.     {
  20.     	Console.WriteLine($"---- {text} ----");
  21.         Console.WriteLine(p.Replace(text, ""));
  22.     }
  23. }
Success #stdin #stdout 0.03s 134592KB
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stdin
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Standard input is empty
stdout
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\b(?:Hello|Thanks|kinda)\b[ .,!?:;()	]*
---- Hello, how are you? ----
how are you?
---- Thanks, I am kinda. good. ----
I am good.
https://ideone.com/d2HXK9
language:
C# (gmcs 5.20.1)
created:
7 years ago
visibility:
secret

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