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  1. using System;
  2. using System.Text.RegularExpressions;
  3.  
  4. public class Test {
  5. 	public static void Main() {
  6. 		Console.WriteLine("Objective: a regex that matches only printable characters");
  7. 		Console.WriteLine("Should not match: \x04");
  8. 		Console.WriteLine("Should match: *, A");
  9.  
  10. 		var regexesToTest = new string[] {
  11. 			@"![\P{Cc}\P{Cn}\P{Cs}]",
  12. 			@"![^\p{Cc}^\p{Cn}^\p{Cs}]"
  13. 		};
  14. 		foreach (var regexExpression in regexesToTest) {
  15. 			Console.WriteLine();
  16. 			Console.WriteLine("Testing the regex: " + regexExpression);
  17. 			var regex = new Regex(regexExpression);
  18. 			foreach (var testCharacter in new char[] { (char)4, '*', 'A' }) {
  19. 				Console.WriteLine("  Testing whether it matches character: " + testCharacter);
  20. 				var matches = regex.Matches("Hello, World!" + testCharacter);
  21. 				Console.WriteLine("    Results: " + matches.Count);
  22. 				foreach (Match match in matches) {
  23. 					Console.WriteLine("    Result: " + match);
  24. 				}
  25. 			}
  26. 		}
  27. 	}
  28. }
  29.  
Success #stdin #stdout 0.06s 29464KB
comments (?)
stdin 
Standard input is empty
stdout 
Objective: a regex that matches only printable characters
Should not match: 
Should match: *, A

Testing the regex: ![\P{Cc}\P{Cn}\P{Cs}]
  Testing whether it matches character: 
    Results: 1
    Result: !
  Testing whether it matches character: *
    Results: 1
    Result: !*
  Testing whether it matches character: A
    Results: 1
    Result: !A

Testing the regex: ![^\p{Cc}^\p{Cn}^\p{Cs}]
  Testing whether it matches character: 
    Results: 0
  Testing whether it matches character: *
    Results: 1
    Result: !*
  Testing whether it matches character: A
    Results: 1
    Result: !A
https://ideone.com/jonnlc
language:
C# (gmcs 5.20.1)
created:
1 year ago
visibility:
public

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