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for my $acct ( qw( CAL2345-06 CALI123456-09 FLOR1234567-01 ) ) { my $formatted_account_id = format_account_id($acct); ... return $1 . ( 'X' x $padding_needed ) . $2; }
'CALXXXX2345-06' 'CALIX123456-09' 'FLOR1234567-01'