How to only find files in a given directory, and ignore subdirectories using bash

If you just want to limit the find to the first level you can do:

 find /dev -maxdepth 1 -name 'abc-*'

… or if you particularly want to exclude the .udev directory, you can do:

 find /dev -name '.udev' -prune -o -name 'abc-*' -print