^start of string
\.the literal . (4610 / 568 / 2E16)
\d{1,3}a Unicode decimal digit, repeated between 1 and 3 times
\.the literal . (4610 / 568 / 2E16)
\d{1,3}a Unicode decimal digit, repeated between 1 and 3 times
\.the literal . (4610 / 568 / 2E16)
\d{1,3}a Unicode decimal digit, repeated between 1 and 3 times
?repeats the group contents below at most once:
\:the literal : (5810 / 728 / 3A16)
\d+a Unicode decimal digit, repeated at least once
$end of string, or before its final line terminator