Question

Hi I want to validate a form input so it only takes the numbers 1-9 as input, how can this be achieved

I have this in my model but just cant seem to get the matching correct

validates_format_of :myfield, :with => ??????, :on => :create

Answer 1

Please take a look here: http://apidock.com/rails/ActiveModel/Validations/HelperMethods/validates_inclusion_of

 validates :myfield, :inclusion => { :in => 1..9 }

or

 validates_inclusion_of :myfield, :in => 1..9

EDIT – I thought myfield was an integer, but if you have defined it as string you need to add the validates_numericality_of:

validates_numericality_of :myfield, :only_integer => true
validates_inclusion_of :myfield, :in => 1..9