NSX-T Data Center REST API

HostnameOrIPv4AddressOrEmptyString (type)

{
  "id": "HostnameOrIPv4AddressOrEmptyString",
  "maxLength": 255,
  "module_id": "Common",
  "pattern": "^(?=.{1,255}$)[0-9A-Za-z](?:(?:[0-9A-Za-z]|-){0,61}[0-9A-Za-z])?(?:\\.[0-9A-Za-z](?:(?:[0-9A-Za-z]|-){0,61}[0-9A-Za-z])?)*\\.?$|^$",
  "title": "Hostname or IPv4 address",
  "type": "string"
}