\Bnot an ASCII word boundary
\.the literal . (4610 / 568 / 2E16)
\w+any word character, repeated at least once
,?optionally matches the literal , (4410 / 548 / 2C16)
?optionally matches the literal (3210 / 408 / 2016)
g modifier: global. Finds all matches instead of stopping after the first