Alias of
Pattern[/\A([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})\z/, /\A([0-9A-Fa-f]{2}[:-]){19}([0-9A-Fa-f]{2})\z/]
# File 'vendor_modules/stdlib/types/mac.pp', line 2