  code2str - returns character string associated with Scilab integer codes.
  convstr - case conversion
  emptystr - zero length string
  grep - find matches of a string in a vector of strings
  justify - Justify character array.
  length - length of object
  part - extraction of strings
  str2code - return scilab integer codes associated with a character string
  strcat - catenate character strings
  strindex - search position of a character string in an other string.
  string - conversion to string
  strings - Scilab Object, character strings
  stripblanks - strips leading and trailing blanks of strings
  strsubst - substitute a character string by another in a character string.
  tokenpos - returns the tokens positions in a character string.
  tokens - returns the tokens of a character string.