#' Remove punctuation from scrabble matrix
#'
#' @param m a matrix of scrabble plays
#' @return a matrix of scrabble plays with no notation
#' @examples
#' board_clean(scrab2)
#' @export
board_clean <- function(m){
gsub("\\.", "", gsub('"',"",gsub("=|'|-|","",m)))
}
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