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)