0the literal 0 (4810 / 608 / 3016)
\d{2}a digit, repeated exactly 2 times
\sany whitespace character
9the literal 9 (5710 / 718 / 3916)
\sany whitespace character
\d{4}a digit, repeated exactly 4 times
\sany whitespace character
\d{4}a digit, repeated exactly 4 times