.htaccess snippets

RewriteEngine On
#error 410
ErrorDocument 410 default

#redirect home page to specific page without redirecting other urls
RewriteRule ^/?$ http://domain.com/folder/page/ [L,R]

#redirect www to non wwww
RewriteCond %{HTTP_HOST}  ^www.domain.com [NC]
RewriteRule ^(.*) http://domain.com/$1 [L,R=301]

#redirect non www to wwww
RewriteCond %{HTTP_HOST}  ^domain.com [NC]
RewriteRule ^(.*) http://www.domain.com/$1 [L,R=301]

#redirect all pages from old domain to new domain, maintaining URL structure
RewriteEngine On
RewriteCond %{HTTP_HOST} ^www\.domain1\.com$
RewriteRule ^(.*)$ http://domain2.com/$1 [L,R=301]

Redirect 301 / http://domain2.com/

#redirect specific query string to path 
RewriteCond %{QUERY_STRING} p=259
RewriteRule ^blog/$ http://domain.com/specific-page-nam/? [L,R=301]

#redirect all pages within a directory
RewriteRule ^parent1/parent2/(.*)$ / [R=301,NC,L]

#redirect file/path with spaces to new url 
RewriteRule ^/pages/articles/folder/Name\ of\ file\ with\ spaces\ in\ it.pdf http://domain.com/new-file-name.pdf

#redirect URL with ? to specific page - no query 
RewriteRule ^page/page2/page3/?$ http://domain.com/newpage/? [R=301,L]

#410 query string
RewriteCond %{QUERY_STRING} key=value
RewriteRule .* - [G,NC]