^start of string
Negated Character Class[^;]* *matches any number of characters outside the set below:
;the literal ; (5910 / 738 / 3B16)
;the literal ; (5910 / 738 / 3B16)
\s*any whitespace character, repeated any number of times
Negated Character Class[^=]* *matches any number of characters outside the set below:
=the literal = (6110 / 758 / 3D16)
=the literal = (6110 / 758 / 3D16)
.*any character (except for line terminators), repeated any number of times
$end of string, or before its final line terminator