gistfile1.m

id exp = [VRXVerbalExpression create:^(VRXVerbalExpression *r) {
        r.startOfLine();
        r.then(@"http");
        r.maybe(@"s");
        r.then(@"://");
        r.maybe(@"www.");
        r.anythingBut(@" ");
        r.endOfLine();
}];