https://learn.microsoft.com/en-us/dotnet/api/system.text.decoderexceptionfallback?view=netframework-4.8.1&viewFallbackFrom=net-6.0
DecoderExceptionFallback 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 input character. The fallback...
class systemtextmicrosoftlearn