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How to limit mod_rewrite to a single directory?

What is the proper way to mask/redirect a URL with mod_rewrite using .htaccess?

  • I have a website http://example.com and the former method for accessing pages was http://example.com/TG/?nav=XXXX and I have switched the directory to http://example.com/?nav=XXXX. How do I still have all those old links with the TG/ still go to the new URLs? Different question but is there an easy way to mask the ?nav= also so http://example.com/XXXX works too? Thanks a ton in advance! I'm trying to learn all of this stuff as I go.

  • Answer:

    You can try the following: RewriteEngine on RewriteRule ^TG/\?nav=(.{4}) /?nav=$1 [L] RewriteRule ^([^?]{4})$ /?nav=$1 [L] ^ is the beginning of the query. So ^TG/means "every query which begins with TG/". We have to escape regex special chars, so the ? character is escaped, and we use ^TG/\?nav= to match every query beginning with TG/?nav=. Then, we need to capture the XXXX string. So we use parenthesis to say "Hey, this is a capturing group". We capture exactly four characters with .{4} (. means "any character", and {4}means "exactly 4"). Then, we want the user to be redirected to /?nav=XXXX. So we write /?nav=$1, which means /?nav= following by the first capturing group (there is only one here). The second rewrite rule is matching all queries which are only four characters without ? ([^…]means everything but …). If we match queries with ? character and if an user try to go to www.example/?nav, it will redirect to www.example/?nav=?nav, because ?nav is a valid four-characters string. The L flag specified at the end of each rewrite rule means it's the last rule applied. It prevent for rewriting loops, e.g.: RewriteRule ^(.+) /?nav=$1 Without the L flag, it rewrite /foo into /?nav=foo, then into /?nav=?nav=foo, etc. If you want to redirect instead of rewriting URLs, you have to use the R flag: RewriteRule … [R,L] It will send a 302 http code ("moved temporarily") to the client. If it's a permanent redirection, use R=301 ("moved permanently") flag.

Baptiste Fontaine at Quora Visit the source

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Create the .htaccess file with the following content at the webroot of your domain (usually the directory public_html or similar): DirectoryIndex abc.php RewriteEngine On RewriteCond %{HTTP_HOST} ^www\.example\.com [NC] RewriteRule ^(.*)$ http://example.com/$1 [L,R=301] This should (not tested) permanently redirect www.example.com to example.com/abc.php and url-s like www.example.com/foo.php to example.com/foo.php You can test yourself by visiting the said url-s on your browser.

Sayan Chakrabarti

All you need is single line for redirection, give relevant modules are enabled. Redirect 301 / http://nhttp://ewurl.com You need to enable rewrite engine module. The above code tells browser that current page has a redirection (301 - moved in HTTP, tells site has moved permanenetly) and the redirect URL is whatever you give. If you want to use redirection in other language with 301, you can try this URL http://www.rapidtables.com/web/tools/redirect-generator.htm

Bikas Vaibhav

I'd suggest you have a read of: http://www.experts-exchange.com/articles/4043/URL-Aliasing-Redirection-Rewriting-and-Reverse-Proxying-using-Apache-HTTPD.html As to your specific example, then the following should probably work: RewriteEngine on RewriteCond %{QUERY_STRING} ^nav= RewriteRule ^TG/ / [L,QSA]

Andrew Roberts

Redirect 301 / http://example.com/ That will permanently redirect your entire website to another website. Make sure you place the .htaccess file in the root directory if your website!

Maximiliam Andersen

Options +FollowSymlinks RewriteEngine on RewriteRule ^/([a-z]+) subdomain.domain.com/example.php?parameteer=parameter=$1 [NC] More Details http://corz.org/server/tricks/htaccess2.php

Sahil Popli

I think the following command will help you to set redirect using .htaccess Redirect /olddirectory/oldfile.html http:// yoursite . com/newdirectory/newfile. html

Harry Thomas

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