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Uri.CheckSchemeName Method

Determines whether the specified scheme name is valid.

Namespace: System
Assembly: System (in system.dll)

public static bool CheckSchemeName (
	string schemeName
)
public static boolean CheckSchemeName (
	String schemeName
)
public static function CheckSchemeName (
	schemeName : String
) : boolean

Parameters

schemeName

The scheme name to validate.

Return Value

true if the scheme name is valid; otherwise, false.

This method checks the scheme name for validity according to RFC 2396. The scheme name must begin with a letter and must contain only letters, digits, and the characters ".", "+", or "-".

The following example creates a Uri instance and checks whether the scheme name is valid.

Uri address1 = new Uri("http://www.contoso.com/index.htm#search");
Console.WriteLine("address 1 {0} a valid scheme name",
      Uri.CheckSchemeName(address1.Scheme) ? " has" : " does not have");

if (address1.Scheme == Uri.UriSchemeHttp)
    Console.WriteLine("Uri is HTTP type");
      
Console.WriteLine(address1.HostNameType);

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

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