+matches at least one character from the set below:
]the literal ] (9310 / 1358 / 5D16)
[the literal [ (9110 / 1338 / 5B16)
a-zone character from a (9710) to z (12210) (case sensitive)
A-Zone character from A (6510) to Z (9010) (case sensitive)
0-9one character from 0 (4810) to 9 (5710)
(the literal ( (4010 / 508 / 2816)
)the literal ) (4110 / 518 / 2916)