utf8ToInt(x)
intToUtf8(x, multiple = FALSE)0 to 0x10FFFF.utf8ToInt converts a length-one character string encoded in
UTF-8 to an integer vector of Unicode code points.intToUtf8 converts a numeric vector of Unicode code points
either to a single character string or a character vector of single
characters. (For a single character string 0 is silently
omitted: otherwise 0 is mapped to "". Non-integral
numeric values are truncated to integers.) The Encoding
is declared as "UTF-8".NA inputs are mapped to NA output.