\[the literal [ (9110 / 1338 / 5B16)
\w{1,3}any word character, repeated between 1 and 3 times
\]the literal ] (9310 / 1358 / 5D16)
.*any character (except for line terminators), repeated any number of times
\[the literal [ (9110 / 1338 / 5B16)
\/the literal / (4710 / 578 / 2F16)
\1the text saved by group 1
\]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
i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters