substr($network_segment[0].provider-physical-network,0,5) == 'dvspg'
length($network_segment[0].provider-physical-network) >= 5 and substr($network_segment[0].provider-physical-network,0,5) == 'dvspg'
(length($network_segment[0].provider-physical-network) >= 5) and (substr($network_segment[0].provider-physical-network,0,5) == 'dvspg')
+4-2-2
+1+1
+1
+1+2*3-4