MACAddress (type)

{
  "description": "A MAC address. Must be 6 pairs of hexadecimal digits, upper or lower case, separated by colons or dashes. Examples: 01:23:45:67:89:ab, 01-23-45-67-89-AB.", 
  "format": "mac-address", 
  "id": "MACAddress", 
  "module_id": "Common", 
  "title": "MAC Address", 
  "type": "string"
}