Ah I see. In that case, both the \bs seem like unnecessary, unwanted, undesired and unwarranted repetition & redundancy to me. :p
EDIT:
It would be nicer to use Bale’s suggestion too: ^\s*(?:a |an |the |some )?(.+)$. I suppose this is a moot point, however, given ckb’s post.
hey ckb what if...