301 redirection help

Hello

I am trying to forward a specific request to my home page using .htaccess and 301 redirects but I am having problems and I am not sure why.

I am using OpenCart and are using the product tags for admin use but not in the front end. I want to forward any request for the tags to the homepage. An example string would be "/index.php?route=product/search&tag=small" - So if the url contains "product/search&tag=" then I want it to forward to /

I have tried a number of things but have not been able to get it to work. Including

RewriteRule (.*)product/search&tag=(.*) / [R=301,L] 

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RewriteRule   ^/index.php?route=product/search&tag=(.*)  /  [R=301,L]

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But I cannot get it to work.

Can someone please advise where I am going wrong?

Many Thanks
Adam
Adam JonesAsked:
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arnoldConnect With a Mentor Commented:
First thing is to confirm that your webserver allows these directives in the .htaccess

Here is the rewrite (moid_rewrite where you can add tracing.

http://httpd.apache.org/docs/current/mod/mod_rewrite.html

You would only surround your directives within .htaccess  to record provided your apache version is newer.

Anyreason/'option to add this feature to index.php.

Check QUERY-STRING ......
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arnoldConnect With a Mentor Commented:
Question is whether you are first, have the setting to allow processing of .htaccess. http.conf AllowOverride
Is rewrite enabled.
The second part is whether you are placing the directive in the correct path. i.e. is the .htaccess where you have the rewrite is in the sme location where index.php is.

The other part, rewrite has an option to enable tracing where you can configure the engine to record when a match is considered and if matched/or not will reflect the URL in the consideration.
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Steve BinkCommented:
Also, those parameters are typically part of the query string.  Your example did not show a '?' after the URL, so it is a little unclear.  Can you paste the exact URL?
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Adam JonesAuthor Commented:
Yes rewrite is enabled. It is working fine with a number of other queries.

the full url would be : https://www.website.com/index.php?route=product/search&tag=small
I want that to forward to: https://www.website.com
I can do this with

RewriteCond %{QUERY_STRING} (^|&)route=product/search($|&)
RewriteCond %{QUERY_STRING} (^|&)amp;tag=small($|&)
RewriteRule ^index\.php$ /? [L,R=301]

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I would also like anything instead of small to forward to website.com (so index.php?route=product/search&tag=big or index.php?route=product/search&tag=red)

I am not that great with the .htaccess using variables and wilecards ect. but I am trying to learn, so I am asking some advice on what I should put for the line?
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Steve BinkCommented:
I agree with arnold - strongly consider putting this "redirection" in your application.  Based on your query string variables, I'm assuming you already have a router.  The .htaccess file is not the ideal place for application logic.

What is the specific logic you want to use for the redirect?  For example, the earlier bit was
if query string contains "route=product/search" and also contains "&tag=small", then redirect to "/" and erase the query string
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Adam JonesAuthor Commented:
After some research I have done it like this and it is working perfectly.

RewriteCond %{QUERY_STRING} (^|&)route=product/search($|&)
RewriteCond %{QUERY_STRING} (^|&)amp;tag=(.*)$
RewriteRule ^index\.php$ /? [L,R=301]

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I understand what you are suggesting by putting it in the application but I do not see why this would be any better than what I have done in the .htaccess.
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arnoldConnect With a Mentor Commented:
The processing involved. within index.php it will evaluate the rule only when index.php is accessed, within .htaccess the webserver evaluates the directives on every access of any file within the directory where the .htaccess is.
i.e. for every redirect it evaluates it twice once where index.php?product is the request and the second time after the redirect
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nociConnect With a Mentor Software EngineerCommented:
a ? in a Regex means the match (a p here) is optional...

so re RE's did match index.phroute  
or  index.phproute...

And anything behind a ? in q URL is a QUERY_STRING as has been pointed out before
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nociSoftware EngineerCommented:
Arnold suggestions are the right way to go,  Noci explains why the regex fails.
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