\{the literal { (12310 / 1738 / 7B16)
Negated Character Class[^{}]+ +matches at least one character outside the set below:
{the literal { (12310 / 1738 / 7B16)
}the literal } (12510 / 1758 / 7D16)
\}the literal } (12510 / 1758 / 7D16)
(*SKIP)acts like (*PRUNE), but the next unanchored match attempt starts where (*SKIP) was reached instead of at the next subject character
(*FAIL)forces the current match attempt to fail at this position