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##' Test whether an initial value is of type SAME
##' @param x A character string to test
##' @keywords internal
##' @examples
##' NMdata:::isSAME("SAME")
##' NMdata:::isSAME(" SAME ")
##' NMdata:::isSAME("SAME(1)")
##' NMdata:::isSAME("SAME (1)")
##' NMdata:::isSAME(" SAME ( 123 ) ")
##' NMdata:::isSAME("SAME()")
##' NMdata:::isSAME("SAME (a)")
##' NMdata:::isSAME("NOT SAME")
isSAME <- function(x) {
grepl("^\\s*SAME\\s*(\\(\\s*\\d+\\s*\\))?\\s*$", x)
}
##' How many SAME reps?
##' @param x A character string to test
##' @keywords internal
##' @examples
##' NMdata:::NSAME("SAME")
##' NMdata:::NSAME(" SAME ")
##' NMdata:::NSAME("SAME(1)")
##' NMdata:::NSAME("SAME (1)")
##' NMdata:::NSAME(" SAME ( 123 ) ")
##' NMdata:::NSAME("SAME()")
##' NMdata:::NSAME("SAME (a)")
##' NMdata:::NSAME("NOT SAME")
NSAME <- function(x){
x <- cleanSpaces(x)
res <- rep(NA_real_,length(x))
res[grepl("^\\s*SAME\\s*$" ,x)] <- 1
res.try <- suppressWarnings(
as.numeric(sub("^\\s*SAME\\s*\\(\\s*([0-9]+)\\s*\\)\\s*", "\\1",x))
)
res[!is.na(res.try)] <- res.try[!is.na(res.try)]
res
}
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