parse simple string with regex?

Hello, am new to java and come from php where we have preg_match_all, but i cant figurout how to do this is java.

I have this String str = "GET /whatever HTTP/1.1";

I want to annalyse this string and return to me what ever is inbetween "GET /" and HTTP

so in this case i whould like to return "whatever"

whatever could be a word or didgets but not a whitespace.

Pleas help me with this!
//Thanks

You can just use String#indexOf and String#lastIndexOf. You can see explain this methods in Java API class String.