###############################
# STRING LIST FIELD SELECTION #
###############################
-pvs_sel 'tags=["pv_tag1"]' "$dev1 $dev2"
+pvs_sel 'tags=["pv_tag1"]' ""
# for one item, no need to use []
pvs_sel 'tags="pv_tag1"' "$dev1 $dev2"
# no match
# check the order has no effect on selection result
pvs_sel 'tags=["pv_tag3" && "pv_tag2" && "pv_tag1"]' "$dev1"
pvs_sel 'tags=["pv_tag4" || "pv_tag3"]' "$dev1 $dev6"
-pvs_sel 'tags!=["pv_tag1"]' "$dev2 $dev3 $dev4 $dev5"
+pvs_sel 'tags!=["pv_tag1"]' "$dev1 $dev2 $dev3 $dev4 $dev5 $dev6"
# check mixture of && and || - this is not allowed
not pvs_sel 'tags=["pv_tag1" && "pv_tag2" || "pv_tag3"]'