import scala.
util.
matching.
Regex
val url
= "https://e...content-available-to-author-only...e.com/?foo=bar&userId=4523&foo=baz" val pattern
= new Regex
("userId=(\\d+)") pattern.
findFirstMatchIn(url
) match { case Some
(m
) => println
(m.
group(1)) }
}
aW1wb3J0IHNjYWxhLnV0aWwubWF0Y2hpbmcuUmVnZXgKCm9iamVjdCBNYWluIGV4dGVuZHMgQXBwIHsKCXZhbCB1cmwgPSAiaHR0cHM6Ly9lLi4uY29udGVudC1hdmFpbGFibGUtdG8tYXV0aG9yLW9ubHkuLi5lLmNvbS8/Zm9vPWJhciZ1c2VySWQ9NDUyMyZmb289YmF6IgoJdmFsIHBhdHRlcm4gPSBuZXcgUmVnZXgoInVzZXJJZD0oXFxkKykiKQoJcGF0dGVybi5maW5kRmlyc3RNYXRjaEluKHVybCkgbWF0Y2ggewoJICBjYXNlIFNvbWUobSkgPT4gcHJpbnRsbihtLmdyb3VwKDEpKQoJfQp9