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  1. or download this
    print '$var starts with 1, 2, 3, 4 or 5' if ($var =~ /^[12345]/);
    print '$var contains 1, 2, 3, 4 and/or 5' if ($var =~ /[12345]/);
    print '$var starts with 1, 2, 3, 4 or 5' if ($var =~ /^[12345]/);