use irule to match virtual server name to node name

The error is

01070151:3: Rule [test2] error: line 14:

[parse error: PARSE syntax 390 {syntax error in expression " $orig_notes_host eg "WEBCSD0AN" ": extra tokens at end of expression}]

[{ $orig_notes_host eg "WEBCSD0AN" }]

The rule as following, pls. help. Thanks!

Regards,

Ken

when CLIENT_ACCEPTED { 
  if { [TCP::remote_port] == 1352 } {
    log local0. "Connect to Notes Server [IP::client_addr]: [TCP::client_port] --> [IP::server_addr]:[TCP::server_port]"
    TCP::collect
  }
}
when CLIENT_DATA {
  set orig_host_start [string first "CN=" [TCP::payload]]
  TCP::release $orig_host_start
  TCP::collect
  set orig_notes_host [string range [TCP::payload] 3 12]
  if { $orig_notes_host eg "WEBCSD0AN" } {
    TCP::payload replace 3 12 "WEBCSD01N"
    pool WEBCSD01N_pool
  }
  else { 
    TCP::payload replace 3 12 "WEBCSD02N"
    pool WEBCSD02N_pool }
  TCP::release
}