We what judge the string using which encode?

[hlddn]

unicode or other?
we what judge?
thank all

 

[David Fraser]

unicode or other?
we what judge?
thank all

You need to usually know the encoding from the context, otherwise you'll
have to guess. In this regard I find http://www.eki.ee/letter/ helpful

But if you want more details, you'll need to provide a clearer question ...

David