code: @NotNull
      public static String escapeChars(@NotNull final String string, final char[] toEscape) {
          String toReturn = string;
          for (char character : toEscape) {
              toReturn = escapeChar(toReturn, character);
          }
          return toReturn;
      }
docs: Escapes all the occurrences of the <toEscape> characters from the <string> if they are not escaped already
  
  @param string   the string from which to escape the characters
  @param toEscape the characters to escape as Array
  @return a new string with the escaped <toEscape> characters