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Editorial Team
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Asked: 2026-06-14T20:47:20+00:00

Is this code aquivalent class Product < ActiveRecord::Base validates :legacy_code, :format => { :with

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Is this code aquivalent

class Product < ActiveRecord::Base
  validates :legacy_code, :format => { :with => /\A[a-zA-Z]+\z/,
    :message => "Only letters allowed" }
end

to this code:

class Product < ActiveRecord::Base
  validates :legacy_code, format: { with:/\A[a-zA-Z]+\z/,
    message:"Only letters allowed" }
end

??

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1 Answer

  1. Editorial Team

    Yes, this codes are equivalent in ruby 1.9.
    {:key => vales} – is a hash syntax in ruby 1.8
    {key: value} – is a new hash syntax, it was added in ruby 1.9

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