libpostal is a powerful tool to normalize address using NLP around the world.
I use macOS and I need a convenient way to use the lib so I built a repo meanwhile a stable version is released.
Because they don't allow alpha quality software. Soon!
brew tap robsalasco/libpostal
brew install libpostal
devtools::install_github("ironholds/poster")
library(poster)
normalise_addr("Quatre-vignt-douze Ave des Champs-Élysées")