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How to check if a string contains only numbers in VB.NET

1 Answer

0 votes
Imports System.Text.RegularExpressions

Module Module1

    Sub Main()

        Dim s1 As String = "VB.NET 13 Java 89 Python 45 C"
        Console.WriteLine(Regex.IsMatch(s1, "^[0-9 ]+$"))

        Dim s2 As String = "5267 2837"
        Console.WriteLine(Regex.IsMatch(s2, "^[0-9 ]+$"))

    End Sub

End Module


' run:
' 
' False
' True

 




answered Oct 7 by avibootz
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