is.valid_receipt: Determine whether or not a given message receipt is valid
Description
Receipts are 30-character strings containing letters and
numbers ([A-Za-z0-9])
Usage
is.valid_receipt(receipt)
Arguments
receipt
A message receipt (e.g., "KAWXTswy4cekx6vZbHBKbCKk1c1fdf")
Value
A boolean value for each given message receipt ID indicating whether
that receipt ID is valid (TRUE) or not (FALSE)
Details
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.