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

1 Answer

0 votes
Imports System.Text.RegularExpressions

Public Class Test
    Public Shared Function extract_characters_numbers(s as String) As String 
        Dim len As Integer = s.Length
 
        Dim regx As Regex = new Regex("[a-zA-Z0-9]")

        Dim chars As String = ""

        For i As Integer = 0 To len - 1
            Dim ch As Char = s(i)
            If regx.IsMatch(ch.ToString()) Then
                chars = chars + ch
            End If
        Next
        return chars
    End Function 
    
    Public Shared Sub Main()
        Dim s As String = "c++$vb.net&%java*() php c# <>/python 3.7.3"
         
        Console.WriteLine(extract_characters_numbers(s))
    End Sub
End Class


' run:
' 
' cvbnetjavaphpcpython373
'

 




answered Aug 12 by avibootz
edited Aug 13 by avibootz
...