HTTP to HTTPS://wwww iRule

With an irule, you can do that pretty easily. Just tolower the HOST and if it's not redirect. Something like this. It won't test for https (I assume you're vip only accepts 443 (and you can create an 80 vip that automatically redirects everything to https using the built-in

_sys_https_redirect

when HTTP_REQUEST {
    switch [string tolower [HTTP::host]] {
        "www.url.com" { 
             Do nothing
        }
        default {
            HTTP::redirect "https://www.url.com[HTTP::uri]"
        }
    }
}