+matches at least one character from the set below:
\{the literal { (12310 / 1738 / 7B16)
uthe literal u (11710 / 1658 / 7516) (case sensitive)
Dthe literal D (6810 / 1048 / 4416) (case sensitive)
8the literal 8 (5610 / 708 / 3816)
3the literal 3 (5110 / 638 / 3316)
Cthe literal C (6710 / 1038 / 4316) (case sensitive)
}-\x{DBFF}one character from } (12510) to � (5631910)
\x{DC00}-\x{DFFF}one character from � (5632010) to � (5734310)