How to 301 this way?

I wanna transfer a site to another domain, i wanna 301 this way.

www.olddomain.com/xxx/yyy 301 to www.newdomain/xxx/yyy
www.olddomain.com/ddd 301 to www.newdomain/ddd
www.olddomain.com/yy.php 301 to www.newdomain/yy.php

got me? how to do this 301? i know .htaccess can do it ,but how to write ?

so far, i got this:

but it is not what i need, help me ,thanks.

 

skip a line under your existing code in the htaccess file and add this:

just do this for each page that needs to be redirected.

 

After

RewriteEngine On

place this code

RewriteCond %{HTTP_HOST} ^www.olddomain.com$ [NC]
RewriteRule ^(.*)$ http://www.newdomain.com$1 [R=301,L]