How cat I get list of validations defined in model Example: class ModelName validates_presence_of

Question

Editorial Team

Asked: May 17, 20262026-05-17T22:10:58+00:00 2026-05-17T22:10:58+00:00

How cat I get list of validations defined in model

Example:

class ModelName
  validates_presence_of :field_name
  validates_inclusion_of :sex, :in => %w(M F)
end

I need Hash like:

{:field_name => 'required', :sex => 'Must be in: M, F'}

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Editorial Team · Answer 1 · 2026-05-17T22:10:58+00:00

Editorial Team

You don’t need a plugin for basic needs.

You can do this to get a hash of all validators.

ModelName.validators

If you want to get the validators for a specific field :

ModelName.validators_on(:attribute)

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