is.valid_token: Determine whether or not a given API token is valid
Description
is.valid_token determines whether or not a given application token
is valid or not according to Pushover's specifications. It does not determine
whether or not the given token is associated with an application.
Usage
is.valid_token(token)
Arguments
token
A application token (e.g., 'KzGDORePK8gMaC0QOYAMyEEuzJnyUi')
Value
A boolean value indicating if the application token is valid
(TRUE)
or not (FALSE)