Determine if Absolute or Relative URL

bool IsAbsoluteUrl(string url)
{
    Uri result;
    return Uri.TryCreate(url, UriKind.Absolute, out result);
}

For some reason a couple of good answers were deleted by their owners:

Via @Chamika Sandamal

Uri.IsWellFormedUriString(url, UriKind.Absolute)

and

Uri.IsWellFormedUriString(url, UriKind.Relative)

The UriParser and implementations via @Marcelo Cantos

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