IIS7 Rewrite Image Files

I'm wondering if it is possible to have an IIS7 URL rewrite rule that does something like this. When someone goes to:

http://www.mydomain.com/images/0000022_0-Hello_World.jpeg

it will request the file at: http://www.mydomain.com/images/0000022_0.jpeg

I tried to make a rule to match (.)/images/(.)-(.*).jpeg and then rewrite it to {R:1}开发者_开发知识库/images/{R:2}.jpeg, but it doesn't work. I just get a 404 error. I also tried adding the ISAPI Wildcard, but it didn't change anything.

I'm using .net 4.0

Thanks!

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Assuming you use IIS Manager ( like in this article):

Try to create a rewrite rule which matches the following pattern (regular expressions):

^images/([0-9_]+)-.*\.jpeg$

As Action, choose rewrite, and fill in the following rewrite Url:

images/{R:1}.jpeg

No other rule should be executed after that (-> Stop processing of subsequent rules checkbox)

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You don't need to add the ISAPI Wildcard for this as you have an extension (.jpeg) so should be handled by the StaticFile Handler.

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You should put this after other rewrite rules ,for virtual folders etc..

<rule name="rule 1s" stopProcessing="true">
    <match url="\.(gif|jpe?g|png|bmp)"  ignoreCase="true" />
   <conditions>
       <add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />
   </conditions>
   <action type="Rewrite" url="//ressources/default.png"  />
</rule>