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External Data Source

Source

Regular Expression
^(?:(?'1'[0-9a-fA-F]{2})(?:\:)(?'2'[0-9a-fA-F]{2})(?:\:)(?'3'[0-9a-fA-F]{2})(?:\:)(?'4'[0-9a-fA-F]{2})(?:\:)(?'5'[0-9a-fA-F]{2})(?:\:)(?'6'[0-9a-fA-F]{2}))$|^(?:(?'1'[0-9a-fA-F]{2})(?:\-)(?'2'[0-9a-fA-F]{2})(?:\-)(?'3'[0-9a-fA-F]{2})(?:\-)(?'4'[0-9a-fA-F]{2})(?:\-)(?'5'[0-9a-fA-F]{2})(?:\-)(?'6'[0-9a-fA-F]{2}))$