a:hoverthe literal text a:hover (case insensitive) \s*?any whitespace character, repeated any number of times
{the literal { (12310 / 1738 / 7B16)
\s*?any whitespace character, repeated any number of times
color:the literal text color: (case insensitive) \s*?any whitespace character, repeated any number of times
Group 1(blue|#0000ff|#00f) bluethe literal text blue (case insensitive) #0000ffthe literal text #0000ff (case insensitive) #00fthe literal text #00f (case insensitive) \s*any whitespace character, repeated any number of times
;the literal ; (5910 / 738 / 3B16)
\s*?any whitespace character, repeated any number of times
}the literal } (12510 / 1758 / 7D16)
g modifier: global. Finds all matches instead of stopping after the first
i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters