in reply to RegEx and Packaging Name Problem
You are missing a semicolon ';'.
my $dna1 = "AACAGCACGGCAACGCTGTGCCTTGGGCACCATGCAGTACCAAACGGAACGATAGTGA +AAACAATCAC AATCGCGGGTTTCATAGAAAATGGTTGGGAAGGAATGGTGGATGGTTGGTACGGTTT" + <<<<< MISSING ';'!! ... [download]