Link: Google Cloud Storage object named after its bucket

type.inbound
and any(body.links,
        .href_url.domain.domain == "storage.googleapis.com"
        and regex.match(.href_url.path, '/[^/]+/[^/]+\.html')
        and strings.starts_with(.href_url.path,
                                strings.concat('/',
                                               regex.extract(.href_url.path,
                                                             '^/[^/]+/(?P<o>[^/]+)\.html$'
                                               )[0].named_groups["o"],
                                               '/'
                                )
        )
)