title: Get only letters from string vb.net
body: <p>i want to get only letters from string.
  eg. 
  Lets say the string is this :123abc456d
  I want to get: abcd
  Looking for something like this but for letters in a string:</p>
  
  <pre><code>Dim mytext As String = "123a123"
  Dim myChars() As Char = mytext.ToCharArray()
  For Each ch As Char In myChars
       If Char.IsDigit(ch) Then
            MessageBox.Show(ch)
       End If
  Next
  </code></pre>
  
  <p>Thanks</p>