Tim Booher wrote:

> I don't know if they are truly "valid, printable characters". When a text
> file show this type of information, isn't ascii just approximating some
> binary data?
> 
> Why I think this is if I open with notepad I get a file that looks like
> the: ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ described earlier but if I do a simple:
> 
> Perl -ne "print" test.msg I get only a single:
> ????í?
> 
> (btw this is the same output I get when I do a: c:\type test.msg)
> 
> Even if I wanted to define a character class like [a-zA-Z] how would just
> extract these characters?
> 

the characters you see are probably extended ASCII characters, try remove 
them like:

my $i = "string with extended ASCII character";
$i =~ s/(.)/ord $1 > 177 ? '' : $1/ge;

david

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