可參考下列範例自行修改
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