htaccess add .html extension for urls with or without trailing slash

Question

So to begin with I have a custom url rewrite that sends a request variable to a php script

Rewrite rule is below:

RewriteRule ^([\\w\\/-]+)(\\?.*)?$          


        

Answer 1

This rule:

RewriteRule ^(([\w/\-]+)?[\w-])(/|\.html)?$ test/index.php?slug=$1 [L]

Will trap domain.com/slug-text, domain.com/slug-text/ and domain.com/slug-text.html and send slug-text to /test/index.php inside slug param.

If you really want to redirect using [R=301] from old urls to new then use this:

RewriteRule ^(([\w/-]+)?[\w-])/?(?!:\.html)$ http://domain.com/$1.html [L,R=301]
RewriteRule ^(([\w/-]+)?[\w-])\.html$ test/index.php?slug=$1 [L]

Also note that as using explicit redirect bottom rule is modified to trap url's ending with .html

It is also advisable (if your .htaccess does not already contain this) to filter conditions for existing files and folders not to be trapped by your redirect rules. Simply add these lines before RewriteRule lines:

# existing file
RewriteCond %{SCRIPT_FILENAME} !-f
# existing folder
RewriteCond %{SCRIPT_FILENAME} !-d

And if using symlinks:

# enable symlinks
Options +FollowSymLinks
# existing symlink
RewriteCond %{SCRIPT_FILENAME} !-l

// addition
Your .htaccess file should look like this:

RewriteEngine on
Options +FollowSymLinks
RewriteCond %{SCRIPT_FILENAME} !-f
RewriteCond %{SCRIPT_FILENAME} !-d
RewriteCond %{SCRIPT_FILENAME} !-l
RewriteRule ^(([\w/-]+)?[\w-])/?(?!:\.html)$ http://domain.com/$1.html [L,R=301]
RewriteRule ^(([\w/-]+)?[\w-])\.html$ test/index.php?slug=$1 [L]