syntax:glob
*.[568ao]
*.ao
*.so
[568a].out
_obj
_test
src/cmd/6a/6a
y.tab.[ch]
src/cmd/6l/enam.c
src/cmd/gc/builtin.c
src/cmd/gc/mkbuiltin1
src/cmd/gc/opnames.h
src/pkg/exp/ogle/ogle
src/pkg/runtime/cgo2c
src/pkg/runtime/amd64/asm.h
test/pass.out
test/run.out
test/times.out
*.pyc

syntax:regexp
^pkg/
^src/cmd/(.*)/6?\1$