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How to extract only numbers from a string in VB.NET

1 Answer

0 votes
Imports System.Text.RegularExpressions
Public Class Test
    Public Shared Function extract_numbers(s as String) As String
        Dim len As Integer = s.Length
        Dim regx As Regex = new Regex("[0-9]")
        Dim characters As String = ""
        For i As Integer = 0 To len - 1
            Dim ch As Char = s(i)
            If regx.IsMatch(ch.ToString()) Then
                characters = characters + ch
            End If
        return characters
    End Function
    Public Shared Sub Main()
        Dim s As String = "c++14$vb.net &%java*() php c# <>/python 3.7.3"
    End Sub
End Class
' run:
' 14373


answered Aug 12 by avibootz
edited Aug 13 by avibootz