Interpret a number in any standard explicit format:

Interpret a number given linguistically:

Flag a failure if the input given is not of the type specified:

Interpret a date, generating a DateObject:

Interpret a city, generating an Entity object:

Interpret a university:

Interpret a location, returning a GeoPosition:

Interpret a list of numbers:

Interpret a File object:

Interpret a URL object:

Interpret a number restricted to be between 1 and 10:

If the number is outside the range, a failure is generated:

Interpret a city restricted to a geographical region:

Run a test on the result:

Use a custom failure mode when the test doesn't pass:

Interpret many types of entities:

Enable computations:

Interpret string representations of files:

Interpreter specifications are used to create FormObject, FormFunction, and APIFunction:

The Interpreter head is optional, but it can be useful to specify options:

Use RepeatingElement and CompoundElement to interpret complicated structures:

Alternatives can also be used to interpret data that can have different shapes:

The number and date options are not compatible with semantic interpreters:

If an AmbiguityFunction is set that is not Automatic, the test at the second argument is applied to its result, possibly leading to a failure:

Interpreter["String"] accepts an empty string. This is not true for FormFunction, where the empty string and an empty field are considered equivalent:

Obtain the GeoPosition for the White House:

Show it on a map: