\(the literal ( (4010 / 508 / 2816)
2the literal 2 (5010 / 628 / 3216)
\.the literal . (4610 / 568 / 2E16)
5the literal 5 (5310 / 658 / 3516)
\)the literal ) (4110 / 518 / 2916)
\na line-feed (newline) character (ASCII 10)
.+any Unicode character (except for line terminators), repeated at least once
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