Cleans input from read_results
is passed to hytek_swim_parse
to remove unnneded characters and otherwise set it up for sorting. Input is
in the form of character strings
hytek_clean_strings(x, time_score_string = Time_Score_String)
returns a list of character strings that have been cleaned in preparation for parsing/sorting
#' @seealso hytek_clean_strings
runs inside of
hytek_parse_splash
a list of character strings
a regex string for matching results (times and scores) but not special strings like DQ