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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.       string s = "W\"oo\\lworth's";
  9.       string pattern = "(['^$.|?*+()\\\\])";
  10.       string replacement = "\\$1";
  11.  
  12.       Regex rgx = new Regex(pattern);
  13.       string t = rgx.Replace(s, replacement);
  14.  
  15.       Console.WriteLine("Original String: {0}", s);
  16.       Console.WriteLine("Replacement String: {0}", t);  
  17. 	}
  18. }
Success #stdin #stdout 0.06s 27120KB
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stdin
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Standard input is empty
stdout
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Original String: W"oo\lworth's
Replacement String: W"oo\\lworth\'s
https://ideone.com/om4h9h
language:
C# (gmcs 5.20.1)
created:
2 hours ago
visibility:
public

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