C# Converts HTML code to plain text

 // This function converts HTML code to plain text

// Any step is commented to explain it better

// You can change or remove unnecessary parts to suite your needs

public string HTMLToText(string HTMLCode)

{

 // Remove new lines since they are not visible in HTML

 HTMLCode = HTMLCode.Replace("\n", " ");

 

 // Remove tab spaces

 HTMLCode = HTMLCode.Replace("\t", " ");

 

 // Remove multiple white spaces from HTML

 HTMLCode = Regex.Replace(HTMLCode, "\\s+", " ");

 

 // Remove HEAD tag

 HTMLCode = Regex.Replace(HTMLCode, "<head.*?</head>", ""

                     , RegexOptions.IgnoreCase | RegexOptions.Singleline);

 

 // Remove any JavaScript

 HTMLCode = Regex.Replace(HTMLCode, "<script.*?</script>", ""

   , RegexOptions.IgnoreCase | RegexOptions.Singleline);

 

 // Replace special characters like &, <, >, " etc.

 StringBuilder sbHTML = new StringBuilder(HTMLCode);

 // Note: There are many more special characters, these are just

 // most common. You can add new characters in this arrays if needed

 string[] OldWords = {"&nbsp;", "&amp;", "&quot;", "&lt;",

   "&gt;", "&reg;", "&copy;", "&bull;", "&trade;"};

 string[] NewWords = {" ", "&", "\"", "<", ">", "®", "©", "•", "â„¢"};

 for(int i = 0; i < OldWords.Length; i++)

 {

   sbHTML.Replace(OldWords[i], NewWords[i]);

 }

 

 // Check if there are line breaks (<br>) or paragraph (<p>)

 sbHTML.Replace("<br>", "\n<br>");

 sbHTML.Replace("<br ", "\n<br ");

 sbHTML.Replace("<p ", "\n<p ");

 

 // Finally, remove all HTML tags and return plain text

 return System.Text.RegularExpressions.Regex.Replace(

   sbHTML.ToString(), "<[^>]*>", "");

}