is.valid_receipt: Determine whether or not a given message receipt is valid
Description
is.valid_receipt determines whether or not a given
message receipt is valid or not according to Pushover's
specifications. It does not determine whether or not the
given receipt actually exists.
Usage
is.valid_receipt(receipt)
Arguments
receipt
A message receipt (e.g.,
'KAWXTswy4cekx6vZbHBKbCKk1c1fdf')
Value
A boolean value indicating if the message receipt is valid
(TRUE) or not (FALSE)