Question about the Search feature of WordPress

Hey folks,

I’m just finishing off my site and have been testing the search feature that comes with wordpress. I’m using my own custom theme and was wondering if anyone knows how to ensure the search feature only performs a search on post titles and their content?? i don’t want it returning results for words that it picked up on pages or category titles for example.

Is this possible by hand code or can anyone recommend a decent plug-in that will allow me to do this?

Thanks.