alphanum: charset [#"0" - #"9" #"A" - #"Z" #"a" - #"z"]
id_format: [[some alphanum] "_" [some alphanum]]
link: "https://drive.google.com/file/d/0B_2X1ZNAWNL9SVpXN1AzS0o4M2M/view?usp=sharing"
;returns true
parse link ["https://drive.google.com/file/d/" [copy file_idd id_format] "/" ["view" | "edit"] "?usp=sharing"]
dparse: func[url][
    parse url ["https://drive.google.com/file/d/" [copy file_idd id_format] "/" ["view" | "edit"] "?usp=sharing"]
]
;returns false
dparse[link]