How to put validation on a date in Ruby on Rails models ???

Question

Ruby on Rails

You can at least use this format dd.mm.yyyy.

Answer 1

validates :start, :presence => true, :format => /(0[1-9]|[12][0-9]|3[01])[- /.](0[1-9]|1[012])[- /.](19|20)\d\d/