Validate email addresses using VB.NET

Validate email addresses using VB.NET
Using RegEx this VB.NET code validates an email address. It's checking for a string separated by the at (@) character, and again separated by a dot.

  1. Private Sub Button1_Click(ByVal sender As System.ObjectByVal e As System.EventArgsHandles Button1.Click
  2.  ‘ The regular expression rule
  3.  Dim Expression As New 
  4.  ' If the email matches the regular expression
  5.  If Expression.IsMatch("[email protected]") Then
  6.         MessageBox.Show("The email address is valid.")
  7.  Else
  8.         MessageBox.Show("The email address is NOT valid.")
  9.  End If
  10. End Sub

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