Group 2((ae|as)|(ge|et|xe)\-\d\/\d\/) aethe literal text ae (case sensitive) asthe literal text as (case sensitive) 2nd Alternative(ge|et|xe)\-\d\/\d\/ gethe literal text ge (case sensitive) etthe literal text et (case sensitive) xethe literal text xe (case sensitive) \-the literal - (4510 / 558 / 2D16)
\da digit
\/the literal / (4710 / 578 / 2F16)
\da digit
\/the literal / (4710 / 578 / 2F16)
\d+a digit, repeated at least once
{0,1}repeats the group contents below at most once:
:the literal : (5810 / 728 / 3A16)
\da digit
\.the literal . (4610 / 568 / 2E16)
\d+a digit, repeated at least once