Will sell all legendary and ascended items in the head and charm slot that do not have the word "celestial" in them and that their level is between 51 and 99
[p]cbackpack show --except --str >50
Will show all items that have less than 50 str points
[p]cbackpack show --except --no-match celestial
Will Show every item that has "celestial" in the name (Case sensitive as --icase was not used)