Class: OmgValidator::Validators::AlphaNumericDashValidator

Inherits:
ActiveModel::EachValidator
  • Object
show all
Defined in:
lib/omg_validator/validators/alpha_numeric_dash_validator.rb

Overview

Checks whether input only contains alpha-numeric characters and dashes.

Matches:

alpha-num21, alpha-dash, testing, hello-world2

Does not Match:

sub.domain, alpha_score

Examples:

validates :perma_link, alpha_numeric_dash: true

Instance Method Summary collapse

Instance Method Details

#validate_each(record, attribute, value) ⇒ Object 



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# File 'lib/omg_validator/validators/alpha_numeric_dash_validator.rb', line 14

def validate_each(record, attribute, value)
  return nil if value.blank?
  reg = /^([-a-z0-9_-])+$/i
  unless reg.match(value)
    record.errors[attribute] = "must contain only alpha-numeric characters and dashes"
  end
end