Gemstone Common Library
Show/Hide TOC

# StringExtensionsIsAllDigits Method

Tests to see if a string is contains only digits based on Char.IsDigit function.

## Definition

Namespace: Gemstone.StringExtensions
Assembly: Gemstone.Common (in Gemstone.Common.dll) Version: 1.0.143 -- Release Build+524337d392fd5616b12b50022b004322b9e7c330
C#
View Source Request Example

    public static bool IsAllDigits(
    	this string? value
    )

VB
View Source Request Example

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

C++
View Source Request Example

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

JavaScript
View Source Request Example

    Gemstone.StringExtensions.StringExtensions.IsAllDigits = function(value);

#### Parameters

value String
  Input string.

#### Return Value

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

#### 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
Gemstone.StringExtensions Namespace
IsDigit(Char)