.*.s[a-w][a-z] matches named swap files.
.s[a-w][a-z] matches unnamed swap files.

Vim creates buffer swapfiles starting at .swp for buffers that are
active but untitled and unsaved.

Changed line matching vim swapfiles to use all names it will create as described in http://vimdoc.sourceforge.net/htmldoc/recover.html#E326

Include .netrwhist, the user's history and potential privacy concern. See: http://stackoverflow.com/questions/9850360/