You can check if the UTF-8 flag is set with Devel::Peek, which can dump all the internal flags of a scalar varaible.

There is also utf8::is_utf8, but I somehow suspect that the results might be subtly different (not sure yet, haven't really tried. Perhaps the difference that I thought I had noticed came from somewhere else.)

In reply to Re^3: Getting mad with CGI::Application and utf8 by moritz
in thread Getting mad with CGI::Application and utf8 by isync

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