class ActiveModel::Validations::OnlyAlphaNumericValidator
文字列が半角英数字のみであることをチェックする
Public Instance Methods
validate_each(record, _attribute, value)
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# File lib/moca_rlibs/active_model_validators/only_alpha_numeric.rb, line 9 def validate_each(record, _attribute, value) return if value.blank? value = value.presence.to_s return if value.match?(/\A[a-zA-Z0-9]*\z/) record.errors.add('contain invalid characters (only numbers and alphabets)') end