База знаний

Options+FollowSymlinks-MultiViews

RewriteEngineOn

RewriteBase/blog
RewriteCond%{HTTP_HOST}      blog\.example\.com               [NC]
RewriteCond%{QUERY_STRING}   !page_id=                        [NC]
RewriteRule^meetings         /?page_id=2809                   [L,NC]

RewriteCond%{HTTP_HOST}      ^(www\.)?example\.com            [NC]
RewriteCond%{QUERY_STRING}   !page_id=                        [NC]
RewriteRule^meetings         /blog/?page_id=2809              [L,NC]

永久重定向，取代[ L，R = 301與[ L ]，NC，NC ]。

原文
http://codex.wiki/question/1407589-4747