Sindbad~EG File Manager

Value Required ID (\d+)
Value Required INTERFACE ([^:]+)
Value Required FLAGS (\S+)
Value Required MTU (\d+)
Value Required QDISC (\S+)
Value Required STATE (\S+)
Value MODE (\S+)
Value GROUP (\S+)
Value QLEN (\d+)
Value MASTER (\S+)
Value Required TYPE (\S+)
Value MAC_ADDRESS ([a-fA-F0-9]{2}:[a-fA-F0-9]{2}:[a-fA-F0-9]{2}:[a-fA-F0-9]{2}:[a-fA-F0-9]{2}:[a-fA-F0-9]{2})
Value BROADCAST ([a-fA-F0-9]{2}:[a-fA-F0-9]{2}:[a-fA-F0-9]{2}:[a-fA-F0-9]{2}:[a-fA-F0-9]{2}:[a-fA-F0-9]{2})
Value ALIAS (.+)

Start
  ^\d+ -> Continue.Record
  ^${ID}: ${INTERFACE}: <${FLAGS}> mtu ${MTU} qdisc ${QDISC}(?: master ${MASTER})? state ${STATE}(?: mode ${MODE})?(?: group ${GROUP})?(?: qlen ${QLEN})?\s*$$ -> Continue
  # Link type and MAC address
  ^\s+link/${TYPE}\s*$$
  ^\s+link/${TYPE} ${MAC_ADDRESS} brd ${BROADCAST}\s*$$
  ^\s+alias\s+${ALIAS}$$
  ^\d+
  ^\s+
  ^. -> Error