\ban ASCII word boundary
\d+a digit, repeated at least once
.the literal . (4610 / 568 / 2E16)
,the literal , (4410 / 548 / 2C16)
\d+a digit, repeated at least once
Non-Capturing Group(?:\.\d+)? ?repeats the group contents below at most once:
\.the literal . (4610 / 568 / 2E16)
\d+a digit, repeated at least once
\p{Zs}+a space separator with non-zero width, repeated at least once
SARthe literal text SAR (case sensitive) \ban ASCII word boundary
g modifier: global. Finds all matches instead of stopping after the first