original_docstring: Spot a port interface tag
  
      Return uuid or None if not a port interface tag.
      
docstring: Spot a port interface tag
  Return uuid or None if not a port interface tag.
docstring_tokens: Spot a port interface tag Return uuid or None if not a port interface tag .
code: def decode_port_tag(tag):
      """Spot a port interface tag
  
      Return uuid or None if not a port interface tag.
      """
      if tag is None:
          return None  # not tagged
      m = re.match('^' + TAG_L2IFACE_PREFIX + '(' + n_const.UUID_PATTERN + ')$',
                   tag)
      return None if m is None else m.group(1)
code_tokens: def decode_port_tag ( tag ) : if tag is None : return None m = re . match ( '^' + TAG_L2IFACE_PREFIX + '(' + n_const . UUID_PATTERN + ')$' , tag ) return None if m is None else m . group ( 1 )
short_docstring: Spot a port interface tag
  Return uuid or None if not a port interface tag.
short_docstring_tokens: Spot a port interface tag Return uuid or None if not a port interface tag .
comment: """Spot a port interface tag
  
      Return uuid or None if not a port interface tag.
      """$SEP$# not tagged