\ban ASCII word boundary
\d+a digit, repeated at least once
\s*any whitespace character, repeated any number of times
Non-Capturing Group(?:lac|crs?|k) lacthe literal text lac (case sensitive) crthe literal text cr (case sensitive) s?optionally matches the literal s (11510 / 1638 / 7316) (case sensitive)
kthe literal k (10710 / 1538 / 6B16) (case sensitive)
\ban ASCII word boundary
\.?optionally matches the literal . (4610 / 568 / 2E16)
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