El.Autor.2017.1080p.BluRay.x264-worldmkv
El.Autor.2017.1080p.BluRay.x264-worldmkv But -worldmkv isn't a recognized tag. Did you mean to write -worldmkv as a fake group, or is this from an actual file you saw?
If you want a (like a full file name for a torrent or release database), a corrected version could be:
It looks like you want to reconstruct or identify a full release name from a partial or oddly formatted string:
El.Autor.2017.1080p.BluRay.x264-INTERNAL or, keeping your original string but fixing spacing/capitalization: