# File lib/mime/types.rb, line 561
561:     def [](type_id, flags = {})
562:       if type_id.kind_of?(Regexp)
563:         matches = []
564:         @type_variants.each_key do |k|
565:           matches << @type_variants[k] if k =~ type_id
566:         end
567:         matches.flatten!
568:       elsif type_id.kind_of?(MIME::Type)
569:         matches = [type_id]
570:       else
571:         matches = @type_variants[MIME::Type.simplified(type_id)]
572:       end
573: 
574:       matches.delete_if { |e| not e.complete? } if flags[:complete]
575:       matches.delete_if { |e| not e.platform? } if flags[:platform]
576:       matches
577:     end