\w+any word character, repeated at least once
\s*any whitespace character, repeated any number of times
=the literal = (6110 / 758 / 3D16)
\s*any whitespace character, repeated any number of times
Non-Capturing Group(?:"[^"\n]*(?:"|$)|\S+(?=,|$)) 1st Alternative"[^"\n]*(?:"|$) "the literal " (3410 / 428 / 2216)
Negated Character Class[^"\n]* *matches any number of characters outside the set below:
"the literal " (3410 / 428 / 2216)
\na line-feed (newline) character (ASCII 10)
Non-Capturing Group(?:"|$) "the literal " (3410 / 428 / 2216)
2nd Alternative\S+(?=,|$) \S+any non-whitespace character, repeated at least once
Positive Lookahead(?=,|$) ,the literal , (4410 / 548 / 2C16)
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