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JuzerShakir/validates_each.rb

Created October 23, 2021 18:50
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validates_each.rb
validates_each :email do | record, attr, value |
# extracts email service
service = value.match(/\A\w+\.?\w*\@{1}([a-z]+)\.{1}[a-z]+\z/).to_a[1]
# creates error for the attribute
record.errors.add(attr, "#{service} email service is not allowed!") if service.in? %w(yahoo msn aol hotmail)
end
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