\d+a digit, repeated at least once
:the literal : (5810 / 728 / 3A16)
\d+a digit, repeated at least once
Non-Capturing Group(?::\d+)? ?repeats the group contents below at most once:
:the literal : (5810 / 728 / 3A16)
\d+a digit, repeated at least once
(*SKIP)acts like (*PRUNE), but the next unanchored match attempt starts where (*SKIP) was reached instead of at the next subject character
(*F)forces the current match attempt to fail at this position