AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.2.2" />

 HtmlEncoding

static class HtmlEncoding
Various HTML encoding helpers.
public const string CHARSET = "charset"

public static string Extract(string content)

Tries to extract the encoding from the given http-equiv content string.

public static bool IsSupported(string charset)

Detects if a valid encoding has been found in the given charset string.

public static Encoding Resolve(string charset)

Resolves an Encoding instance given by the charset string.

public static Encoding Suggest(string local)

Suggests an Encoding for the given local.