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htaccess non www to www not working, other redirects working
Options +FollowSymLinks
RewriteEngine On
RewriteBase /

RewriteCond %{HTTP_HOST} !^www.mysite.com$ [NC]
RewriteRule ^(.*)$ http://www.mysite.com/$1 [R=301,L]

# Redirect old URLs to new ones
RewriteRule ^(about)$ about-us [L,R=301]
RewriteRule ^(contact-us)$ contact [L,R=301]

#Place index.php after hostname
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond $2 !.(gif|jpe?g|png|css|pdf|swf|fla|ppt|php|js)$ [NC]
RewriteCond $1 !.(gif|jpe?g|png|css|pdf|swf|fla|ppt|php|js)$ [NC]

RewriteRule ^(.*)$ index.php/$1 [L]