diff, excluding files and directories

For excluding files and directories  while using diff, we can pass the exclude pattern in the command line.

Say for you  u want to exclude the below file and folders
config.txt
log.txt
logs -> Folder/Directory
error_log
uploads -> Folder/Directory

diff -Nru  -x 'config.txt' -x 'log.txt' -x 'logs' -x 'error_log' -x 'uploads' <folder-old> <fodler-new>