c# - Strip double quotes from a string in .NET -

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I am trying to match some incompatible formatted HTML and I have to draw some double quotation marks.

Current: 

  & lt; Input type = "hidden" & gt;

Target: 

  & lt; Input type = hidden & gt;

This is incorrect because I am not running it properly:

s = s.Replace ("", "");

This is incorrect because the blank character character (for my information) is not: 

  s = s.Replace ('', '');

What is the syntax / escape character combination to replace double quotes with an empty string?

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