-the literal - (4510 / 558 / 2D16)
\s+a Unicode whitespace character, repeated at least once
\S+any character that is not Unicode whitespace, repeated at least once
\s+a Unicode whitespace character, repeated at least once
\[the literal [ (9110 / 1338 / 5B16)
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