filter/vb2_regexp

   1   (?:file)?name=                                # filename=/name=
   2   (\"[^\"]+\.                                   # quoted filename.
   3         (?:vb[se]                               # list of extns
   4         |ws[fh]
   5         |jse?
   6         |exe
   7         |com
   8         |shs
   9         |hta
  10         |bat)
  11         \"                                      # end quote
  12   |[\w.-]+\.                                    # unquoted filename.ext
  13         (?:vb[se]                               # list of extns
  14         |ws[fh]
  15         |jse?
  16         |exe
  17         |com
  18         |shs
  19         |hta
  20         |bat)
  21   )                                             # end of filename capture