htaccess rewrite rule with regular expression

Question

I have a hard time to create rewrite rule for a redirect using part of an old URL. Example:

Old URL: http://www.example.com/news/index.php/2014/11/07/my-blog-post-from-o

Answer 1

Just match for the blocks until hyphen (-) is encountered:

RewriteRule ^news/index\.php/([^-]+-[^-]+-[^-]+).* /$1 [R=301,L,NC]