I have a bunch of files with generic album names like "_misc". In the comment field, they have the real album name, formatted as "album[REAL_NAME]". There may be other text in the comment field before/after the album[] declaration.
So I want to run this regexp on the comment field: album[([^]]+)] and place the match ($1) in the album field, overwriting its current value. How can I do this?
That leaves any text before or after the "album[...]" match, which I would think isn't wanted. The following only keeps the text within the square brackets: