What is the best/easy way to validate an email address in Ruby?

Question

What is the best/easy way to validate an email address in ruby (on the server side)?

Answer 1

You can take reference from https://apidock.com/rails/ActiveModel/Validations/HelperMethods/validates_format_of

validates_format_of :email, with: /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\z/i