How to check that a uri string is valid

Question

How do you check that a uri string is valid (that you can feed it to the Uri constructor)?

So far I only have the following but for obvious reasons I\'d prefer a les

Answer 1

Assuming we only want to support absolute URI and HTTP requests, here is a function that does what you want:

public static bool IsValidURI(string uri)
{
    if (!Uri.IsWellFormedUriString(uri, UriKind.Absolute))
        return false;
    Uri tmp;
    if (!Uri.TryCreate(uri, UriKind.Absolute, out tmp))
        return false;
    return tmp.Scheme == Uri.UriSchemeHttp || tmp.Scheme == Uri.UriSchemeHttps;
}