StringExtensionsIsAllLetters(String) Method

Tests to see if a string contains only letters.

Namespace: GSF
Assembly: GSF.Core (in GSF.Core.dll) Version: 2.4.263-beta+46da57839405c6f25e1a2652b0dc32fdd781900f

Syntax

public static bool IsAllLetters(
	this string value
)

<ExtensionAttribute>
Public Shared Function IsAllLetters ( 
	value As String
) As Boolean

public:
[ExtensionAttribute]
static bool IsAllLetters(
	String^ value
)

[<ExtensionAttribute>]
static member IsAllLetters : 
        value : string -> bool

GSF.StringExtensions.IsAllLetters = function(value);

Boolean
True, if all string's characters are letters; otherwise, false.

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).

Remarks

Any non-letter character (e.g., punctuation marks) causes this function to return false (See overload to ignore punctuation marks.).