^start of string
\(the literal ( (4010 / 508 / 2816)
\d{2}a digit, repeated exactly 2 times
\)the literal ) (4110 / 518 / 2916)
the literal (3210 / 408 / 2016)
9the literal 9 (5710 / 718 / 3916)
2nd Alternative — matches an empty string
6the literal 6 (5410 / 668 / 3616)
7the literal 7 (5510 / 678 / 3716)
8the literal 8 (5610 / 708 / 3816)
9the literal 9 (5710 / 718 / 3916)
\d{3}a digit, repeated exactly 3 times
-the literal - (4510 / 558 / 2D16)
\d{4}a digit, repeated exactly 4 times
$end of string, or before its final line terminator