Is it possible to use Razor View Engine outside asp.net

There are two issues here:

Yes, you can run the Razor View Engine outside of the context of an ASP.NET app domain, as explained in Andrew's blog: http://vibrantcode.com/blog/2010/11/16/hosting-razor-outside-of-aspnet-revised-for-mvc3-rc.html
However, Razor is still primarily focused on generating xml-like markup (e.g. HTML) in the sense that the Razor parser uses the presence of <tags> to determine the transition between code and markup. You can probably use it to generate any text but you might run into issues when your output doesn't match Razor's assumptions about what your intentions are.

So for example while this is valid Razor code (because of the <div> tag):

@if(printHello) {
   <div>Hello!</div>
}

The following snippet is invalid (because the Hello! is still being treated as code):

@if(printHello) {
   Hello!
}

However there's a special <text> tag that can be used to force a transition for multi-line blocks (the <text> tag will not be rendered):

@if(printHello) {
   <text>Hello!
   Another line</text>
}

There is also a shorter syntax to force a single line to transition using @::

@if(printHello) {
   @:Hello!
}

Check RazorEngine, it's a little framework built on top of Razor that allows you to do this.

Take a look at RazorTemplates library. It's more lightweight than RazorEngine library, it's thread-safe and has very nice minimal interface.

Compiling and rendering a template is as simple as two lines of code:

var template = Template.Compile("Hello @Model.Name!");
Console.WriteLine(template.Render(new { Name = "World" }));

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