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ISAPI_Rewrite 3.0
 Helicon Tech : ISAPI_Rewrite 3.0
Subject Topic: Replacing underscores with hyphens Post ReplyPost New Topic
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awzm
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Posted: 27 July 2010 at 3:44am | IP Logged Quote awzm
Hi there,

I've rewritten a fair few hundred URLs in our CMS system and replaced a lot fo the existing URLs that did have underscores with hyphens. I've written a Rewriterule to do a straight port for URLs that were already hyphentated over to the new location. However I'm stuck on replacing the underscores with hyphens in ISAPI.

This forum post is as close as I could find to the correct script: http://www.helicontech.com/forum/10756-replace_underscore_with_space.html

The issue I have is I can have a page like 'folder/A_B_C.htm' or just 'folder/A_B.htm' so I need to take into account one or two underscores at a time...maybe done through seperate rules?

Any help would be greatly appreciated!

Thanks.
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AndrushkaUS
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Posted: 27 July 2010 at 6:01am | IP Logged Quote AndrushkaUS
Hello,

Please, try to use the following:

Code:
RewriteEngine on
RewriteBase /

RewriteRule ^(folder/[^_/]+)_([^_/])\.html$ $1-$2.html [NC,R=301,L]
RewriteRule ^(folder/[^_/]+)_([^_/])_([^_/])\.html$ $1-$2-$3.html [NC,R=301,L]


Regards
Andrew

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awzm
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Posted: 27 July 2010 at 8:21am | IP Logged Quote awzm
Hi Andrew,

Thanks for the prompt reply. I adapted the code slightly as I missed out a folder level, here is what I have now...

Code:

RewriteEngine On
RewriteBase /

RewriteRule ^(/folder1/folder2/[^_/]+)_([^_/])\.htm$ http://www.newdomain.co.uk/folder1/folder2/$1-$2.html [NC,R=301,L]
RewriteRule ^(/folder1/folder2/[^_/]+)_([^_/])_([^_/])\.htm$ http://www.newdomain.co.uk/folder1/folder2/$1-$2-$3.html [NC,R=301,L]

RewriteRule ^/folder1/(.*)/(.*).htm http://www.newdomain.co.uk/folder1/$1/$2.htm [NC,L]


Having tried that it doesn't seem to have worked, I'm just getting 404s. The third rule in there is simply to handle pages that were hyphenated before.
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awzm
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Posted: 28 July 2010 at 9:57am | IP Logged Quote awzm
*bump*
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AndrushkaUS
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Posted: 29 July 2010 at 4:14am | IP Logged Quote AndrushkaUS
I think you should try to replace

Code:
RewriteRule ^(/folder1/folder2/[^_/]+)_([^_/])\.htm$ http://www.newdomain.co.uk/folder1/folder2/$1-$2.html [NC,R=301,L]

with
Code:
RewriteRule ^(/folder1/folder2/[^_/]+)_([^_/])\.htm$ http://www.newdomain.co.uk/$1-$2.html [NC,R=301,L]


and do the same for the second one.

Regards
Andrew


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