Is there a URL validator on .Net?

Question

Is there a method to validate URLs in .Net, ASP.Net, or ASP.Net MVC?

Answer 1

The answers provided thusfar do not check for a scheme, allowing all kinds of unwanted input, which could make you vulnerable for javascript injection (see the comment of TheCloudlessSky).

An URI is just a unique identification of a object. "C:\Test" is a valid URI.

In my project I used the following code:

/// 

/// Validates a URL.
/// 
/// 
/// 
private bool ValidateUrl(string url)
{
    Uri validatedUri;

    if (Uri.TryCreate(url, UriKind.Absolute, out Uri validatedUri)) //.NET URI validation.
    {
        //If true: validatedUri contains a valid Uri. Check for the scheme in addition.
        return (validatedUri.Scheme == Uri.UriSchemeHttp || validatedUri.Scheme == Uri.UriSchemeHttps);
    }
    return false;
}

Define which schemes you will allow and change the code accordingly.