$matchme =
"/^
(?:
((?:[CSIRMBD]\*?)|(?:O\*?\s+(?:IA|N1|N2|E1|E2)?)|(?:i\*?\s+(?:ia|L1|L2)?))
\s+
((?:(?:25[012345]|2[01234]\d|1?\d?\d)\.){3}(?:25[012345]|2[01234]\d|1?\d?\d))
\s+
((?:(?:25[012345]|2[01234]\d|1?\d?\d)\.){3}(?:25[012345]|2[01234]\d|1?\d?\d))
)?
\s+
(?:(?:(?:(?:\[\d+\/\d+\]\s+via\s+))((?:(?:25[012345]|2[01234]\d|1?\d?\d)\.){3}(?:25[012345]|2[01234]\d|1?\d?\d)),\s+(?:\d+:\d\d:\d\d,\s+)?)|is\s+directly\s+connected,\s+)
(\w+)/mx";
/* array indicies:
 * 0: full match
 * 1: type
 * 2: network
 * 3: mask
 * 4: nexthop
 * 5: interface */