great tips. thanks. btw, I assume you meant: 

/[\x1-\x20\x80-\xff]/

[download]

I checked with my dba. I believes that the incoming data is supposed to be 7-bit ascii.

The tip about the webpage is especially helpful. I happen to see some "A0" which appearently only applies to "CP1252 WinLatin1".

thanks again.

In reply to Re^2: unknown encoding by jimw54321
in thread unknown encoding by jimw54321

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