Validate phone numbers against E.164 format.
validates_phone_format_of is distributed as a gem, which is how it should be used in your app.
Include the gem in your Gemfile:
gem 'validates_phone_format_of', '~> 3.0'
In your model
class User < ActiveRecord::Base
validates :phone, phone_format: true
# Or
validates_phone_format_of :phone
# Same thing as
validates_format_of :phone, with: ValidatesPhoneFormatOf::Regexp
# Or
validates_format_of :phone, with: /\A\+\d{1,15}\z/
end- intl-tel-input Javascript library forcing users to set the region
- global_phone
This project is released under the MIT license. See the LICENSE file for more info.