syntax: glob
*.o
*.swp
*.gch
*.gcno
*.out
callgrind.out.*
*.dat
*.aux
*.dvi
*.log
*.*~
*.~*
*.pdf
*.*\#
ctags
cscope
.ctags
.cscope

syntax: regexp
#[^.]+[.][^.]+$
#[!]re:[^.]+[.][^.]+$
#^(?!(scripts|foo|bar)/)[^/]+/
#^[^.]*$
#^(\.c$)
#[.]+/[^\.]+$