ico-validator

Rails validator for format of Czech company identification number - ICO

Usage

ICO validator is implemented as ActiveModel::EachValidator so for validation just add ico: true parameter to your attribute validation. If validation doesn't pass it adds :invalid_format error on validated attribute.

Full Example

attr_accessor :ico
validates :ico,
  ico: true

What is validated

• ICO length - must be exactly 8 characters
• ICO must contain only numbers
• ICO number must satisfy last digit control formula

TODO

• Add JS validation for ICO fields