.*?any character (except for line terminators), repeated any number of times
\[the literal [ (9110 / 1338 / 5B16)
ISOLATION GROUP the literal text ISOLATION GROUP (case sensitive) Negated Character Class[^\]]+ +matches at least one character outside the set below:
\]the literal ] (9310 / 1358 / 5D16)
\]the literal ] (9310 / 1358 / 5D16)
.*any character (except for line terminators), repeated any number of times
g modifier: global. Finds all matches instead of stopping after the first