https://learn.microsoft.com/en-in/dotnet/api/system.text.decoderreplacementfallback?view=netframework-4.8.1&viewFallbackFrom=net-9.0
DecoderReplacementFallback Class (System.Text) | Microsoft Learn
Provides a failure-handling mechanism, called a fallback, for an encoded input byte sequence that cannot be converted to an output character. The fallback...
class systemtextmicrosoftlearn