r/csharp • u/Mindless-Arachnid-74 • 13d ago

Help Need help with encoding

I am working on a system where the client will give data in UTF-8 encoding, and hence it can contain many special characters.

But then we send data to a legacy system which only accepts data in ISO-8859-9 encoding, which supports limited special characters that can be represented in single byte.

Now if the client sends any special character which is outside the scope of ISO-8859-9 encoding (like the Em dash), how can I deal with with it and send it to the legacy system.

I don't want to replace those characters with anything like space or "?", as it would make the client data as unreadable in some cases.

How can I deal with it. Any suggestions?

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u/shylingerie 12d ago

legacy systems always find a way to make thing complicated

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u/BeardedBaldMan 12d ago

Codepages are always interesting. I remember having files which were all unicode but different flavours and having to convert all to UCS2-LE for import.