How to exclude certain paths from routing in ASP.NET Core

Question

I have a project where all paths are routed through the same /index page, however this directs images/css/js files through the same page. In the example below, I am wondering how would I exclude those resources (i.e. /images/, /js/, /css/*, etc) from being routed to the /index page?

services.AddRazorPages().AddRazorPagesOptions(options => {
    options.Conventions.AddPageRoute("/index", "{*url}");
});

this directs images/css/js files through the same page. Do you mean that all request(s) to static files are mapped to index page? — Fei Han
– Fei Han, Commented Dec 9, 2020 at 5:24
The example I showed works great for us. all our pages get routed through /index and the page content gets loaded based on the path. However, we do not want files that are not pages to be routed to /index. So I am wondering how to modify that to exclude certain paths, for example, any path that begins with "/images/" — Primico
– Primico, Commented Dec 9, 2020 at 13:38

Primico · Accepted Answer · 2020-12-10 21:06:55Z

1

Using this regex, I was able to route everything except if the path has "images/" and it seems to work:

options.Conventions.AddPageRoute("/Index", "{*url:regex(^(?!images/).*$)}");

answered Dec 10, 2020 at 21:06

Primico

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