I\'ve seen docs/websites show that custom validators should go in a /lib or /lib/validators directory of a project. I\'ve found (by reading an answ
If you add this to your /config/application.rb file:
config.autoload_paths += %W["#{config.root}/lib/validators/"]
Then Rails will automatically load your validators on start up (just like /config/initializers/), but you keep the clean structure of having your validators in one nice, well named spot.