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  1. using System;
  2. using System.Collections.Generic;
  3. using System.IO;
  4. using System.Linq;
  5. using System.Text.RegularExpressions;
  6.  
  7. public class Test
  8. {
  9. 	public static void Main()
  10. 	{
  11. 		var keyword = "A+";
  12. 		Console.WriteLine("Unambiguous WB: " + Regex.Replace("A+B and A++", $@"(?<!\w){Regex.Escape(keyword)}(?!\w)", "<b>$&</b>"));
  13. 		keyword = "Hello";
  14. 		Console.WriteLine("Regular WB: " + Regex.Replace("Hello World! Hello,World!", $@"\b{keyword}\b", "<b>$&</b>"));
  15. 		Console.WriteLine("Whitespace WB: " + Regex.Replace("Hello, Hello Hello!", $@"(?<!\S){Regex.Escape(keyword)}(?!\S)", "<b>$&</b>"));
  16. 		keyword = "hello";
  17. 		Console.WriteLine("Case innsensitive: " + Regex.Replace("Hello, hello World!", Regex.Escape(keyword), "<b>$&</b>", RegexOptions.IgnoreCase));
  18. 	}
  19. }
Success #stdin #stdout 0.04s 134592KB
comments (?)
stdin 
Standard input is empty
stdout 
Unambiguous WB: A+B and <b>A+</b>+
Regular WB: <b>Hello</b> World! <b>Hello</b>,World!
Whitespace WB: Hello, <b>Hello</b> Hello!
Case innsensitive: <b>Hello</b>, <b>hello</b> World!
https://ideone.com/NQywVW
language:
C# (gmcs 5.20.1)
created:
6 years ago
visibility:
secret

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