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How do I use mod_rewrite to change example.com/1/2/3 to example.com/3 ??

Geesu asked
Medium Priority
Last Modified: 2010-03-04
Is this possible?

Lets say I have this URL:


And I want to use mod_rewrite to make it look like:


Or is this not possible?

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Top Expert 2008

If you define a rule per each string, yes. Because I can't see any pattern in your example to use a more flexible regular expression.

RewriteEngin on
# rewrit incomming request /3/ --> /1/2/3
Rewriterule ^3/$ /1/2/3/ [L]

are you planning to use that in a .htaccess file or in httpd.conf?
Top Expert 2008

it should be
RewriteEngine on
(missing 'e')


woa thats confusing, don't think I can do this myself...

Well basically what I need the rule to be like will depend on what is clicked on...  (I have a web archiving website)...

So one link will be:


which will be re-written as:


And the March-2006 and the 20 can change dynamically as well as the folder name for "thesitewillbehere", is this possible to do with a rule?
Top Expert 2008

if you access example.com/data/March-2006/20/thesitewillbehere/ you can rewrite it to example.com/thesitewillbehere/ (so example.com/thesitewillbehere/ exists physically) the other way /data/March-2006/20/thesitewillbehere/ exists but you're calling /thesitewillbehere/ will not work. You must use a RewriteMap or a rule for each string in that case.

RewriteEngine on
# /data/March-2006/20/thesitewillbehere/ --> /thesitewillbehere/
RewriteRule ^data/[^/]+/[^/]+/([^/]+)/$ /$1/ [L]


Is it possible to have thesitewillbehere be the same???

In theory that directory is supposed to be the same each month this tool runs...  SO I guess I should try to make them different?

For example maybe doing like example.com/data/March-20-2006-thesitewillbehere which I can then re-write as example.com/March-20-2006-thesitewillbehere

These directories are created dynamically each month, so is it possible to auto-add a new rule everytime a directory is created?  Or is there a way to make this not necessary?
Top Expert 2008
request of                                                      --> internally to
example.com/March-20-2006-thesitewillbehere --> example.com/data/March-20-2006-thesitewillbehere or
example.com/March-20-2006-thesitewillbehere --> example.com/data/March-2006/20/thesitewillbehere/

would be possible.

example.com/March-20-2006-thesitewillbehere --> example.com/data/March-2006/20/thesitewillbehere/
RewriteRule ^([^-]+)-([0-9]+)-([0-9]+)-([^/]+)$ /data/$1-$3/$2/$4/ [L]

example.com/March-20-2006-thesitewillbehere --> example.com/data/March-20-2006-thesitewillbehere
RewriteRule ^([^-]+-[0-9]+-[0-9]+-[^/]+)$ /data/$1 [L]

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Wow dude thanks, I need to learn regular expressions it seems :)
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