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  1. using System;
  2. using System.Text.RegularExpressions;
  3.  
  4. public class Test
  5. {
  6. 	public static void Main()
  7. 	{
  8. 		var isMatch1 = new Regex(@"[^a]*|[^a]*a[^b]*").IsMatch("ab");
  9. 		Console.WriteLine("[ab] {0}", isMatch1);
  10. 		var isMatch2 = new Regex(@"[^a]*|[^a]*a[^b]*|[^a]*a[^b]*b[^c]*").IsMatch("abc");
  11. 		Console.WriteLine("[abc] {0}", isMatch2);
  12. 	}
  13. }
Success #stdin #stdout 0.11s 29424KB
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stdin
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Standard input is empty
stdout
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[ab] True
[abc] True
https://ideone.com/ahTYK9
language:
C# (gmcs 5.20.1)
created:
2 years ago
visibility:
public

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