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M_CodeJam_Strings_StringExtensions_IsNumber

Andrew Koryavchenko edited this page Jun 17, 2018 · 5 revisions

StringExtensions.IsNumber Method (String)

Indicates whether all characters in a specified string is categorized as a number.

Namespace: CodeJam.Strings
Assembly: CodeJam (in CodeJam.dll) Version: 2.1.0.0

Syntax

C#

public static bool IsNumber(
	this string str
)

VB

<ExtensionAttribute>
Public Shared Function IsNumber ( 
	str As String
) As Boolean

F#

[<ExtensionAttribute>]
static member IsNumber : 
        str : string -> bool 

Parameters

 

str
Type: System.String
A string

Return Value

Type: Boolean
true if all character in str is a number; 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
IsNumber Overload
CodeJam.Strings Namespace

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