+matches at least one character from the set below:
0-9one character from 0 (4810) to 9 (5710)
/the literal / (4710 / 578 / 2F16)
\(the literal ( (4010 / 508 / 2816)
\)the literal ) (4110 / 518 / 2916)
Gthe literal G (7110 / 1078 / 4716) (case insensitive)