^start of line
Negative Lookahead(?!.*PageView) .*any character (except for line terminators), repeated any number of times
PageViewthe literal text PageView (case sensitive) fbqthe literal text fbq (case sensitive) \(the literal ( (4010 / 508 / 2816)
'trackthe literal text 'track (case sensitive) .*any character (except for line terminators), repeated any number of times
\)the literal ) (4110 / 518 / 2916)
;the literal ; (5910 / 738 / 3B16)
$end of line
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