triggering regex: [[^(?<front>(?:\([^)]+\) |\s+)+)(?<name>[^\[\n]+)(?<label>\[.+\])?]]
for lines like:
( 2) (Humming) the ancient amulet of the grandmaster
sulfurous ashes
Dr. Sheaf's Miracle Cure-All Bag [typhus]
a plain crate [misc]