How to "crawl"/"spidering" my nickname from my profile of yahoo in php or perl?

How to crawl my nickname from my profile of yahoo in php or perl?
Hi, I was wondering if anyone can tell me, how to make a crawl for example to my profile yahoo page
and get my nickname and print it on my website.
some function or something whit search an specific html tags in the yahoo page and get the value inside.

It also can be other methods
Answer