How to delete multiple buffers in Vim?

You also can use alternatively use:

    :.,$-bd[elete]    " to delete buffers from the current one to last but one
    :%bd[elete]       " to delete all buffers

You can use <C-a> to complete all matches. So if you type :bd *.xml and then hit <C-a>, vim will complete the command to :bd file1.xml file2.xml file3.xml.

:3,5bd[elete]   

Will delete buffer range from 3 to 5 .