\[the literal [ (9110 / 1338 / 5B16)
\w*any word character, repeated any number of times
\sany whitespace character
barthe literal text bar (case sensitive) \sany whitespace character
\w+any word character, repeated at least once
\]the literal ] (9310 / 1358 / 5D16)
g modifier: global. Finds all matches instead of stopping after the first