I have a ASP.NET MVC3 website located at http://mydomain.com/mymvcapp/ . However, the root of the webiste (mydomain.com) contains a WordPress site running PHP. Therefore, I put the following IIS URL Rewrite rule to allow WordPress to function correctly via its rewriting mechanisms:
<rewrite>
<rules>
<rule name="wordpress" patternSyntax="Wildcard">
<match url="*" />
<conditions>
<add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />
<add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true" />
</conditions>
<action type="Rewrite" url="index.php"/>
</rule>
</rules>
</rewrite>
So with this rule in place my WordPress functions perfectly, however, my MVC rewriting does NOT work. How would I alter this rule to allow both WordPress and MVC (under the /mymvcapp/ folder) to coexist nicely?
Figured it out on my own. Regex is probably one of the most powerful YET complicated / confusing technologies there is. But in this case the patternSyntax flag was set to Wildcard, not Regex, which caused my confusion. Hope this helps someone else out there! =]
<rewrite>
<rules>
<rule name="wordpress" patternSyntax="Wildcard">
<match url="*" />
<conditions logicalGrouping="MatchAll">
<add input="{PATH_INFO}" pattern="/mymvcapp/*" negate="true" />
<add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />
<add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true" />
</conditions>
<action type="Rewrite" url="index.php" />
</rule>
</rules>
</rewrite>
This is one of the very few posts anywhere that talks about making WordPress and ASP.NET coexist nicely in an IIS setup. So Kudos for that.
I was thinking to post this as comment to either your original question or the answer, but I chose to write an "answer" only because this is an honest question and I need some formatting capabilities.
I have multiple ASP.NET apps running on by site. In particular the root website is running an MVC4 app.
Since I cannot have WordPress installed at the root, my plan was to have it on its own app folder http://mydomain.com/wordpress/ and then have a URL-rewrite rule that to do the following (using peudo-code):
blog.mydomain.com/{path} --> mydomain.com/wordpress/{path}
I've only caused a mess with this approach and have not been successful using pretty permalinks, sometimes getting into redirect-loops and other times breaking links to.css files, admin pages, etc...
Have you ever given this a thought, ie, having wordpress as a subapp instead and do sub-domain URL-rewriting???!
I had a similar situation but I had no need to edit my web.config file. Instead I followed instructions here at https://wordpress.org/support/article/giving-wordpress-its-own-directory/ where this is documented.
At point 7) within Moving WordPress process to a subfolder Method II (With URL change) you find options for a IIS installation.
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