iRule assistance - Combining iRules

You can combine the two iRules to avoid any conflicts:

when HTTP_REQUEST {
    switch -glob [HTTP::path] {
        "*/abcd/*" -
        "*[0-9][0-9][0-9][0-9]*" {pool abcdpool member 1.1.1.1 80}
        default {pool abcdpool}
    }
}