URL regex failure condition.

[dmitshur]

The regex fails to recognize this URL completely:

The url was:

https://www.evernote.com/shard/s198/sh/ab31c009-5624-40e8-a6c4-6b46543b5809/f1277f180279ac3fe9c558912a30cf73/deep/0/(34)-dev-(protocol)---Flowdock-and---ipfs-container-demos---specs.png

More regex! Have fun.