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A set of predicates and assertions for checking the properties of UK-specific complex data types. Most of the documentation is on the assertive page. End-users will usually want to use assertive directly.


To install the stable version, type:


To install the development version, you first need the devtools package.


Then you can install the package using



is_uk_car_licence checks character vectors for UK car licence plates.

is_uk_national_insurance_number checks character vectors for UK National Insurance numbers.

is_uk_postcode checks character vectors for UK postcodes.

is_uk_telephone_number checks character vectors for UK telephone numbers.


Predicates all return a vector and have two corresponding assertions. For example, is_uk_car_licence has assert_all_are_uk_car_licences and assert_any_are_uk_car_licences.

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