\ban ASCII word boundary
Atomic Group(?>passed|died) passedthe literal text passed (case sensitive) diedthe literal text died (case sensitive) Atomic Group(?>\h+\S+){0,3} {0,3}repeats the group contents below between 0 and 3 times:
\h+any horizontal whitespace character, repeated at least once
\S+any non-whitespace character, repeated at least once
\h+any horizontal whitespace character, repeated at least once
\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match
\w+any word character, repeated at least once
\h+any horizontal whitespace character, repeated at least once
\d{1,2}a digit, repeated between 1 and 2 times
,the literal , (4410 / 548 / 2C16)
\h*any horizontal whitespace character, repeated any number of times
\d{4}a digit, repeated exactly 4 times
\ban ASCII word boundary
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