irule not working

I have the following irule and i get syntax errors I dont know what i am missing Basically if someone type www.mathzone.com/blah or anything after www.mathzone.com/ i want to redirect to successinhighered.com/math/

what am i doing wrong?

when HTTP_REQUEST {

   if {([string tolower[HTTP::host]] equals  "www.mathzone.com") and ([string tolower[HTTP::uri]] starts_with "/*") }{

{

HTTP::redirect http://successinhighered.com/math/

}

}