^start of string
.*any character (except for line terminators), repeated any number of times
\/the literal / (4710 / 578 / 2F16)
Negated Character Class[^?]+ +matches at least one character outside the set below:
?the literal ? (6310 / 778 / 3F16)
\?the literal ? (6310 / 778 / 3F16)
.*any character (except for line terminators), repeated any number of times
$end of string, or before its final line terminator