The single-byte characters (as indicated below) and multi-byte characters can be specified for the item names and attribute names used in filter rule syntax. The character encoding is UTF-8.
! | - | . | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | : |
@ | A | B | C | D | E | F | G | H | I | J | K | L | M |
N | O | P | Q | R | S | T | U | V | W | X | Y | Z | _ |
` | a | b | c | d | e | f | g | h | i | j | k | l | m |
n | o | p | q | r | s | t | u | v | w | x | y | z |
Note
Names starting with a hyphen (-) or period (.) cannot be specified.
Single-byte spaces cannot be specified. (The far-right cell in the bottom row of the table does not indicate a space character.)