grc color enhancement for osx/ifconfig

grc.conf.ifconfig

# ipv4 addr
regexp=\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}
colours=italic blue
======
# ipv6 addr
regexp=(\b[0-9a-fA-F]{1,4}(\:\:?[0-9a-fA-F]{1,4})+|::1)
colours=italic blue
======
# hwaddr
regexp=(\d|[a-f]){2}(\:(\d|[a-f]){2}){5}
colours=italic blue
=======
# interfaces
regexp=(^([a-z0-9]{2,}\d*):?\s|[%]([a-z0-9]{2,}\d*):?\s)
colours=bold cyan
======
# netmask-hex
regexp=0[xX][0-9a-fA-F]+
colours=italic blue
=====
# formatting
regexp=([<]|[>]|[,]|b[<]|[<])
colours=dark green
======
# formatting-group
regexp=([(]|[)]|[=])
colours=yellow
======
# digits-xxxx
regexp=([1-9][0-9][0-9][0-9]|[0-9]$|[0-9][x][0-9]$)
colours=italic magenta
=====
# keywords-top
regexp=(flags|options|ether|inet6?|nd6|lladdr|media[:]|status[:]|type[:]|link.quality[:]|state.availability[:]|link.rate[:])
colours=green
======
# keywords-inner
regexp=(netmask|broadcast|prefixlen|scopeid|mtu|autoselect|index)
colours=yellow
======
# keywords-verbose
regexp=(eflags|scheduler[:])
colours=green
=====
# values
regexp=(full-duplex|flow-control|unknown.type|1000baseT|RXCSUM|TXCSUM|VLAN_HWTAGGING|POINTOPOINT|BROADCAST|TXSTART|NOAUTOIPV6LL|LOOPBACK|MULTICAST|SMART|SIMPLEX|RUNNING|PERFORMNUD)
colours=italic magenta
======
# values-verbose
regexp=(IP.over.FireWire$|[1-9][0-9][.][0-9][0-9].Mbps|[1-9][0-9][.][0-9][1-9].Gbps|[1-9][.][0-9][0-9].Gbps|true|Ethernet|ACCEPT_RTADV|RXPOLL|ARPLL|QFQ)
colours=italic magenta
=====
# mtu-lazy (fixup)
regexp=(1500$|16384$|4078$|1380$|1280$|64|128)
colours=italic magenta
=====
# notable
regexp=(UP|active$|good)
colours=italic green
======
# notable-down
regexp=(DOWN|\040inactive$)
colours=red