package PBot::Utils::ValidateString; use 5.010; use warnings; require Exporter; our @ISA = qw/Exporter/; our @EXPORT = qw/validate_string/; sub validate_string { my ($string, $max_length) = @_; return $string if not defined $string or not length $string; $max_length = 2000 if not defined $max_length; $string = substr $string, 0, $max_length unless $max_length <= 0; # $string =~ s/(\P{PosixGraph})/my $ch = $1; if ($ch =~ m{[\s\x03\x02\x1d\x1f\x16\x0f]}) { $ch } else { sprintf "\\x%02X", ord $ch }/ge; # $string = substr $string, 0, $max_length unless $max_length <= 0; return $string; } 1;