\.the literal . (4610 / 568 / 2E16)
\w+any word character, repeated at least once
-the literal - (4510 / 558 / 2D16)
\w+any word character, repeated at least once
\hany horizontal whitespace character
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