i know what it is.. the @aminos array is empty when the script runs... im starting the script with the command line using getopt::long i declare the array aminos at the first of the script and the other part is in a soubrutine.. so when i call the subroutine with the option sub ... the array @aminos is empty in the subroutine... do you know why is this happening? something like this: 

GetOptions ( 'sub' => \&
                  ) 

@aminos= qw (A R N D C Q E G H I L K M F P S T W Y V B Z X);

sub a {
if( "$substr1$substr2" =~ /[^@aminos]/ ) ...
}

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In reply to Re^2: Unmatched [ in regex; marked by <-- HERE in m/[ <-- HERE ^]/ by madM
in thread Unmatched [ in regex; marked by <-- HERE in m/[ <-- HERE ^]/ by madM

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