MAN page from Fedora 28 perl-CGI-Untaint-1.26-30.fc28.noarch.rpm
Section: User Contributed Perl Documentation (3)
CGI::Untaint::printable - validate as a printable value
my $name = $handler->extract(-as_printable => 'name');
This Input Handler verifies that it is dealing with an 'printable'string i.e. characters in the range \040-\377 (plus \r and \n).
The empty string is taken to be printable.
This is occasionally a useful 'fallback' pattern, but in general youwill want to write your own patterns to be stricter.
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