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#' Deleting extra white spaces
#'
#' Deleting extra white spaces from a \code{character} object.
#'
#' \code{tableTag} is an internal routine of \code{bibliometrics} package.
#'
#' @param x is a \code{character} object.
#' @return an object of class \code{character}
#' @examples
#'
#' char <- c("Alfred BJ", "Mary Beth", "John John")
#' char
#' trimES(char)
#'
#' @export
trimES <- function( x ) {
gsub("\\s+", " ", x)
}
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