Question

How to count the digits (0 - 9) in a string with VB.NET

Answer 1

Imports System
Imports System.Linq

Public Class Program
	Public Shared Sub Main()
		Dim str As String = "vb.net 2874 programming 901"
		
        Dim count = str.Count(Function(x) Char.IsDigit(x))
			
        Console.Write(count)
    End Sub
End Class
	
	
	
	
' run:
'
' 7
'

 

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Answer 2

Imports System
Imports System.Linq

Public Class Program
	Public Shared Sub Main()
		Dim str As String = "vb.net 2874 programming 901"
		
        Dim count = str.Count(AddressOf Char.IsDigit)
			
        Console.Write(count)
    End Sub
End Class
	
	
	
	
' run:
'
' 7
'

 

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