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XmlConvert.VerifyPublicId Method

Returns the passed in string instance if all the characters in the string argument are valid public id characters.

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

public static string VerifyPublicId(
	string publicId


Type: System.String

String that contains the id to validate.

Return Value

Type: System.String
Returns the passed-in string if all the characters in the argument are valid public id characters.

No other values than the passed in argument should be returned. The characters valid for public id do not vary between XML editions, so no XmlVersion overload is required.

See XML 1.0 spec (fourth edition) production [13] PublidChar for details on the allowed characters

If the parameter is null, an ArgumentNullException will be thrown. If any of the characters are not valid public id characters, an XmlException is thrown with information about the first invalid character encountered.

.NET Framework

Supported in: 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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