(#w{6}|/[/(+^-]|$w+|)*.

(                   # Capturing Group (1)
  #                 # "#"
  w                # <ASCII letter, digit or underscore>
  {6}               # (repeated {6} times)
  |                 # OR
  /                # "/"
  [/(+^-]      # Character Class [/(+^-]
  |                 # OR
  $                # "$"
  w                # <ASCII letter, digit or underscore>
  +                 # (one or more)(greedy)
  |                # "|"
)                   # End of Capturing Group (1)
*                   # (zero or more)(greedy)
.                   # Any character except line break