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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 sampleText = @"Mr. Grant and Ms. Kelly  starred in the film \'To Catch A Thief' but not in 'Stardust' because they'd stopped acting by then";
  9.     var regEx = new Regex("(?<!\\\\)'");
  10.     var result = regEx.Replace(sampleText, "\\'");
  11.     Console.WriteLine(result);
  12. 	}
  13. }
Success #stdin #stdout 0.06s 38136KB
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stdin
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Standard input is empty
stdout
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Mr. Grant and Ms. Kelly  starred in the film \'To Catch A Thief\' but not in \'Stardust\' because they\'d stopped acting by then
https://ideone.com/SBycCd
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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