multhe literal text mul (case sensitive) \(the literal ( (4010 / 508 / 2816)
\d{1,3}a Unicode decimal digit, repeated between 1 and 3 times
,the literal , (4410 / 548 / 2C16)
\d{1,3}a Unicode decimal digit, repeated between 1 and 3 times
\)the literal ) (4110 / 518 / 2916)