Covert a 4.x irule to 10.x irule

if (http_uri starts_with "/privacy.asp") {
if (http_uri == "/privacy.asp?lang=en") {
redirect to "http:// uk.mysurvey.com/index.cfm?" + "action=Main.lobbyGeneral&myContent=PRIVACYPOLICY"
} else {
if (http_uri starts_with "/privacy.asp?lang=") {
redirect to "http://" + findstr(http_uri, "lang=", 5, 2) + ".mysurvey.com/index.cfm?" + "action=Main.lobbyGeneral&myContent=PRIVACYPOLICY"
} else { redirect to "http:// uk.mysurvey.com/index.cfm?" + "action=Main.lobbyGeneral&myContent=PRIVACYPOLICY" }
}
} else {
use pool MAPSYS2.2
}

when HTTP_REQUEST {
if {[string tolower [HTTP::uri]] starts_with "/privacy.asp"}{
if {[HTTP::uri] eq "/privacy.asp?lang=en"}{
HTTP::redirect "http:// uk.mysurvey.com/index.cfm?action=Main.lobbyGeneral&myContent=PRIVACYPOLICY"
} else {
if {[HTTP::uri] starts_with "/privacy.asp?lang="}{
HTTP::redirect "http://[findstr [HTTP::uri] "lang=" 5 2].mysurvey.com/index.cfm?action=Main.lobbyGeneral&myContent=PRIVACYPOLICY"
} else {
HTTP::redirect "http:// uk.mysurvey.com/index.cfm?action=Main.lobbyGeneral&myContent=PRIVACYPOLICY"
}
}
} else {
use pool MAPSYS2.2
}
}

if (client_addr == 10.1.0.0 netmask 255.255.255.0) { use pool centurion1 } else { redirect to "http:// maintenance.tns-global.com" }

when CLIENT_ACCEPTED {

if {[IP::addr [IP::client_addr]/24 equals 10.1.0.0]}{
pool centurion1
set redirect 0
} else {
set redirect 1
}
}
when HTTP_REQUEST {
if {$redirect==1}{
HTTP::redirect "http:// maintenance.tns-global.com"
}
}

if ([HTTP::uri] contains "maint_mode.htm") {
redirect to "http:// 206.104.153.202/maint_mode.htm"
} else {
if (client_addr == 10.1.0.0 netmask 255.255.0.0 and client_addr != 10.1.14.252 netmask 255.255.255.255) {
if (server_addr == 206.104.153.110 netmask 255.255.255.255) {
use pool NEW_CLUSTER_HTTP
} else {
use pool fun_http
}
} else {
if ([HTTP::uri] contains "msas.cfm") {
if ([HTTP::uri] matches_regex "[sS][uU][rR][vV][eE][yY][sS]") {
redirect to "http:// 206.104.153.202/msas1.htm"
} else if ([HTTP::uri] matches_regex "[Aa][Ll][Ee][Rr][Tt]") {
redirect to "http:// 206.104.153.202/msas2.htm"
} else { redirect to "http:// 206.104.153.202/msas3.htm" }
} else {
redirect to "http:// 206.104.153.202/maint.htm"
}
}
}

when HTTP_REQUEST {
if {[HTTP::path] ends_with "maint_mode.htm"}{
redirect to "http:// 206.104.153.202/maint_mode.htm"
} else {
if {[IP::addr [IP::client_addr]/16 equals 10.1.0.0] && ![IP::addr [IP::client_addr] equals 10.1.14.252]}{
if {[IP::addr [IP::server_addr] equals 206.104.153.110]}{
pool NEW_CLUSTER_HTTP
} else {
pool fun_http
}
} else {
if {[HTTP::path] ends_with "msas.cfm"} {
if {[string tolower [HTTP::uri]] contains "surveys"}{
HTTP::redirect "http:// 206.104.153.202/msas1.htm"
} elseif {[string tolower [HTTP::uri]] contains "alert"}{
HTTP::redirect "http:// 206.104.153.202/msas2.htm"
} else {
HTTP::redirect "http:// 206.104.153.202/msas3.htm"
}
} else {
HTTP::redirect "http:// 206.104.153.202/maint.htm"
}
}
}
}