find . -path '*/*/*' -prune -o -type d -print

find . ( -name . -o -prune ) -extra-conditions-and-actions

find . ! -name . -prune -extra-conditions-and-actions

find . ( ! -path './*/*' -o -prune ) -extra-conditions-and-actions

$ locale charmap
UTF-8
$ find . -maxdepth 2
.
./St?phane
./St?phane/Chazelas
./Stéphane
./Stéphane/Chazelas
./John
./John/Smith
$ find . ( ! -path './*/*' -o -prune )
.
./St?phane
./St?phane/Chazelas
./St?phane/Chazelas/age
./St?phane/Chazelas/gender
./St?phane/Chazelas/address
./Stéphane
./Stéphane/Chazelas
./John
./John/Smith

LC_ALL=C find . ( ! -path './*/*' -o -prune ) -extra-conditions-and-actions

$ LC_ALL=C find . ( ! -path './*/*' -o -prune )
.
./St?phane
./St?phane/Chazelas
./St??phane
./St??phane/Chazelas
./John
./John/Smith

find some/dir/. ! -name . -prune ...

find some/dir/. ( ! -path '*/./*/*' -o -prune ) ...

(cd -P -- "$dir" && find . ...)

find . -condition1 -action1 -condition2 -action2

find . -contition1 -action1 -o -condition2 -action2

find . ( ! -condition1 -o -action1 ) -condition2 -action2

$ find dir1 dir2 -name myfile -maxdepth 1

-regex '(<list of paths | delimited>)/<filename>'

$ find dir1 dir2 -name myfile -regextype awk -regex '(dir1|dir2)/myfile' # GNU
$ find -E dir1 dir2 -name myfile -regex '(dir1|dir2)/myfile' # MacOS BSD

$ find dir1 dir2 -name myfile -maxdepth 1 # GNU

-regex '(<list of paths | delimited>)/<anything that's not a slash>$'

$ find dir1 dir2 -name myfile -regextype awk -regex '(dir1|dir2)/[^/]*$' # GNU
$ find -E dir1 dir2 -name myfile -regex '(dir1|dir2)/[^/]*$' # MacOS BSD