\sany whitespace character
\[the literal [ (9110 / 1338 / 5B16)
\d+a digit, repeated at least once
\]the literal ] (9310 / 1358 / 5D16)
,the literal , (4410 / 548 / 2C16)
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