IIS URL Rewrite Module - Regular Expression for URL

Question

I would like to redirect the below old URL:

https://domain1.xyz.com/content/images/1ca9551bc00357f63c608b5d90ca7c4652187487.png

to the new URL:

https://domain2.xyz.com/originalfiles/1ca9551bc00357f63c608b5d90ca7c4652187487.png

My web.config file has below configuration but I cannot get it to work:

<rewrite>
       <rules>
          <rule name="Rewrite Images to CDN" stopProcessing="true">
                <match url="(.*)" />
                <action type="Redirect" url="https://domain2.xyz.com/originalfiles/{C:1}" appendQueryString="true" redirectType="Permanent" />
                <conditions>
                   <add input="{HTTP_HOST}" pattern="domain1.xyz.com" />
                   <add input="{URL}" pattern="content/images/(/*.*)" />
                </conditions>
         </rule>
       </rules>
</rewrite>

Above configuration redirects to this URL which is incorrect:

https://domain2.xyz.com/originalfiles/content/images/1ca9551bc00357f63c608b5d90ca7c4652187487.png

YurongDai · Accepted Answer · 2022-11-29 07:37:44Z

1

Please try the following rule:

<rewrite>
       <rules>
          <rule name="Rewrite Images to CDN" enabled="true" stopProcessing="true">
                <match url="content/images(.*)" />
                <conditions>
                   <add input="{HTTP_HOST}" pattern="domain1.xyz.com" />
                </conditions>
                <action type="Redirect" url="https://domain2.xyz.com/originalfiles{R:1}" />
           </rule>
        </rules>
</rewrite>

answered Nov 29, 2022 at 7:37

YurongDai

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1 Comment

Naupad Doshi Over a year ago

Thank you very much. This worked for me. Also I realized that every time I made a change in the web.config file, IIS or browser seem to have a Cached response and the redirect did not work. I tried opening up the old Image URL in an incognito browser window and it worked for me.

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