?repeats the group contents below at most once:
\[the literal [ (9110 / 1338 / 5B16)
Negated Character Class[^\}]+ +matches at least one character outside the set below:
\}the literal } (12510 / 1758 / 7D16)
\{the literal { (12310 / 1738 / 7B16)
s*the literal s (11510 / 1638 / 7316) (case sensitive), repeated any number of times
Negated Character Class[^\}\{]{3,}? {3,}?matches at least 3 characters outside the set below:
\}the literal } (12510 / 1758 / 7D16)
\{the literal { (12310 / 1738 / 7B16)
:the literal : (5810 / 728 / 3A16)
.*any character (except for line terminators), repeated any number of times
\}the literal } (12510 / 1758 / 7D16)
?repeats the group contents below at most once:
Negated Character Class[^\{]+ +matches at least one character outside the set below:
\{the literal { (12310 / 1738 / 7B16)
\]the literal ] (9310 / 1358 / 5D16)