// Match these three variants separately to avoid broken urls when
// e.g. a double quoted url contains a parenthesis, or when a
// single quoted url contains a double quote, etc.
+ // FIXME: Simplify now we only support PHP 7.0.0+
// Note: PCRE doesn't support multiple capture groups with the same name by default.
// - PCRE 6.7 introduced the "J" modifier (PCRE_INFO_JCHANGED for PCRE_DUPNAMES).
// https://secure.php.net/manual/en/reference.pcre.pattern.modifiers.php