<scriptthe literal text <script (case sensitive) Negated Character Class[^>]* *matches any number of characters outside the set below:
>the literal > (6210 / 768 / 3E16)
id="the literal text id=" (case sensitive) Negative Lookahead(?!pagespeed\b) pagespeedthe literal text pagespeed (case sensitive) \ban ASCII word boundary
Negated Character Class[^"]+ +matches at least one character outside the set below:
"the literal " (3410 / 428 / 2216)
"the literal " (3410 / 428 / 2216)
.*any character (except for line terminators), repeated any number of times
<the literal < (6010 / 748 / 3C16)
\/the literal / (4710 / 578 / 2F16)
script>the literal text script> (case sensitive) 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