\s*a Unicode whitespace character, repeated any number of times
>{2,}the literal > (6210 / 768 / 3E16) , repeated at least 2 times
.*any Unicode character (except for line terminators), repeated any number of times
$end of line
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