ytInitialPlayerResponsethe literal text ytInitialPlayerResponse (case sensitive) \s*any whitespace character, repeated any number of times
=the literal = (6110 / 758 / 3D16)
\s*any whitespace character, repeated any number of times
\{the literal { (12310 / 1738 / 7B16)
.+?any character (except for line terminators), repeated at least once
\}the literal } (12510 / 1758 / 7D16)
\;the literal ; (5910 / 738 / 3B16)
var metathe literal text var meta (case sensitive) g modifier: global. Finds all matches instead of stopping after the first