Regexp parsing proposal for Machete (snippet)

gistfile1.rb

  [
    :REGEXP,
    /^
      \/
        (
          \\                # escape
          (
            [\\"ntrfvaebs]    # one-character escape
            |
            [0-7]{1,3}        # octal number escape
            |
            x[0-9a-fA-F]{1,2} # hexadecimal number escape
          )
          |
          [^\/]             # regular character
        )*
      \/
    /x
  ],