\[the literal [ (9110 / 1338 / 5B16)
\ba Unicode word boundary
.*?any Unicode character (except for line terminators), repeated any number of times
\ba Unicode word boundary
\.the literal . (4610 / 568 / 2E16)
]the literal ] (9310 / 1358 / 5D16)
g modifier: global. Finds all matches instead of stopping after the first
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string