Using regular expression in htaccess for 301 redirects

Question

I have a Wordpress blog where I am redirecting blog posts from my old blog to my new blog in the format below:

The old blog is call

Answer 1

Using mod_alias:

RedirectMatch 301 ^/news/(.+?)(-[0-9]+)?$ /blog/$1

or using mod_rewrite:

RewriteEngine On
RewriteRule ^news/(.+?)(-[0-9]+)?$ /blog/$1 [L,R=301]