^(?P<unit_design>Z)(?P<unit_type>SFW|SF)(?P<unit_size>200|160|125|100|32|40|50|63|80)(?P<mounting_type>F)(?P<decompression_feature>0|1)(?P<sep_1>-)(?P<cracking_pressure>1)(?P<sep_2>-)(?P<unit_series>1X|2X)(?P<sep_3>/)(?P<seal_material>M|V)(?P<sep_4>/)(?P<pipe_port>12|01)(?P<orifice_position>D|)(?P<orifice_diameter>00|08|10|12|15|40|)(?P<additional_details>(.|[0-9])*)$