String Search Outside My Site? Help me work this out please ;-)

Hi ;-),i need some php code that will search any site or index page for a string. So i can check if my link is on sites it should be quickly?

Hiyou can use google search form or you can use site directoryif you want show google result in your site put iframe at your site and config the google form to show result at iframe

I build WAP sites not WEB. I need the code to build a new link exchange system but must be able to check a link is present from a page ;-)