# IfNullOrWhiteSpace Method Replaces a null or whitespace string with a specified replacement string. ## Definition **Namespace:** CapyKit.Extensions **Assembly:** CapyKit (in CapyKit.dll) Version: 1.0.0+735d7c4c91a8ae04c2d8cae4ce85ddf4909e5b7d **C#** ``` C# public static string IfNullOrWhiteSpace( this string value, string replacement ) ``` **F#** ``` F# [] static member IfNullOrWhiteSpace : value : string * replacement : string -> string ``` #### Parameters

String: The original string.
String: The replacement string.

#### Return Value String The original string if not null or whitespace, otherwise the replacement string. #### Usage Note In Visual Basic and C#, you can call this method as an instance method on any object of type String. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide). ## See Also #### Reference StringExtensions Class CapyKit.Extensions Namespace IsNullOrWhiteSpace(String)