;the literal ; (5910 / 738 / 3B16)
\s*any whitespace character, repeated any number of times
\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match
Negated Character Class[^;|]*? *?matches any number of characters outside the set below:
;the literal ; (5910 / 738 / 3B16)
|the literal | (12410 / 1748 / 7C16)
Positive Lookahead(?= *\|) *the literal (3210 / 408 / 2016) , repeated any number of times
\|the literal | (12410 / 1748 / 7C16)
g modifier: global. Finds all matches instead of stopping after the first