Passing and URL as parameter in mod-rewrite

Question

I'm trying to pass an URL as a parameter in mod-rewrite. I guess there is a problem in my Regex. This my .htaccess:

<IfModule mod_rewrite.c>
 RewriteEngine on
 RewriteRule **^go/((http:\/\/)+[A-Za-z0-9\-]+[\.A-Za-z])/?$** feedmini.php?url=$1 [L]
</IfModule>

the URL I want to pass looks like http://www.aaaa.com/aaa/?q=v but when ever I try to reach it on go/http://www.aaaa.com/aaa/?q=v I get an 404 error page. I've also tried with **^go/([A-Za-z0-9\-\/:]+[\.A-Za-z]+)/?$** but then the URL i pass gets like this: http:/www.aaaa.com/aaa/ (observe the singel '/' after 'http:');

Any Ideas?

Thanks in advance /Ale

Do you mean that your URLs are like http://example.com/go/http://stackoverflow.com/? — Tim Stone
– Tim Stone, Commented Aug 14, 2010 at 9:40
Hi Tim! Yeah, that's exactly what I want to accomplish, but I havent got any positive results yet. — Alecoletti
– Alecoletti, Commented Aug 14, 2010 at 12:19

Peter O'Callaghan · Accepted Answer · 2010-08-14 13:39:53Z

1

Well your first problem (in your first code block) is that your Regex pattern will not match a URL since it will only match a string that begins with http:// then contains nothing but alphanum or dashes, which ends with a single fullstop or letter. Perhaps this is simply a typo and there should be a quantifier in there, but even so it would fail to match a very large percentage or URLs.

This may seem a little strange, but try this...

RewriteRule ^go/http:/(.*)/?$ feedmini.php?url=http://$1 [R=302,L]

answered Aug 14, 2010 at 13:39

Peter O'Callaghan

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3 Comments

Tim Stone Over a year ago

Note that the /? at the end will never match, because the .* will grab the trailing slash greedily if it's there (which is fine). Also, +1, since this is the right answer. Any number of multiple slashes will be condensed into a single slash before being passed to the RewriteRule test pattern.

Peter O'Callaghan Over a year ago

Good point Tim, I guess I'm just used to writing /? at the end of my patterns :)

Alecoletti Over a year ago

Hi, thanks for the help! Its working perfect now. I think I should learn more about Regex ;)

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