Question

How to check if value in string is float or int in VB.NET

Answer 1

Imports System

Public Class Program
    Public Shared Function IsFloatOrInt(ByVal str As String) As Boolean
        Dim intValue As Integer
        Dim floatValue As Single
		
        Return Int32.TryParse(str, intValue) OrElse Single.TryParse(str, floatValue)
    End Function

    Public Shared Sub Main()
        Console.WriteLine(IsFloatOrInt("40972"))
        Console.WriteLine(IsFloatOrInt("3.14"))
        Console.WriteLine(IsFloatOrInt("8729384572939438919191922562345634562435623098"))
        Console.WriteLine(IsFloatOrInt("abc"))
    End Sub
End Class




' run:
'
' True
' True
' False
' False
'

 

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