Pre-processes voter file by checking zipcode, and any special characters or typos within the address.
split_add_nocommas(voter_file, address = "address", delimiter = "space")
A voter file containing the address of the voter.
The voter address in the structure of street number-street name-city-state-zipcode
The symbol/character used to parse address."space" is used to indicate that the address is parsed by spaces.
The voter file with pre-processed format for each address variable.