*the literal (3210 / 408 / 2016) , repeated any number of times
.*any character (except for line terminators), repeated any number of times
+?the literal (3210 / 408 / 2016) , repeated at least once
\n*a line-feed (newline) character (ASCII 10), repeated any number of times
$end of line
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string
g modifier: global. Finds all matches instead of stopping after the first