save-global-variables

/system script environment
:foreach item in=[find] do={
    :local vname [get $item name]
    :local vvalue [get $item value]
    /ip firewall layer7
    remove [find where name=$vname]
    :if (([:typeof [:find [:tostr $vvalue] "(eval " -1]] = "nil") and ([:typeof [:find [:tostr $vvalue] "(evl " -1]] = "nil")) do={
        :if ([:find $vvalue "*" -1] = 0) do={:set vvalue "ID$vvalue"}
        add name=$vname regex="$vvalue"
    } else={
        :if ([:typeof $vvalue] = "code") do={
            add name=$vname regex="(code)"
        } else={
            add name=$vname regex="(function)"
        }
    }
        :delay 10ms
        :execute "/ip firewall layer7 set [find where name=$vname] comment=[:typeof \$$vname]"
}