El.autor.2017.1080p.bluray.x264-worldmkv -

El.Autor.2017.1080p.BluRay.x264-INTERNAL or, keeping your original string but fixing spacing/capitalization:

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-worldmkv

If you want a (like a full file name for a torrent or release database), a corrected version could be: El.Autor.2017.1080p.BluRay.x264-worldmkv

El.Autor.2017.1080p.BluRay.x264-worldmkv El.Autor.2017.1080p.BluRay.x264-worldmkv