' URL that generated this code:
' http://txt2re.com/index-vb6.php3?s=42%2043&-8

Private Sub Command1_Click()
  Dim txt As String
  txt ="42 43"

  Dim re1 As String
  re1 ="(4)"	'Any Single Digit 1

  Dim r As New RegExp
  r.Pattern = re1
  r.IgnoreCase = True
  Dim m As MatchCollection
  Set m = r.Execute(txt)
  If m.Item(0).SubMatches.Count > 0 Then
      Dim d1
      d1=m.Item(0).SubMatches.Item(0)
      MsgBox("("+d1+")"+"")
  End If
End Sub

'-----
' To run this code:
' .Start Microsoft Visual Basic 6.0.
' .On the File menu, click New Project.
' .Click Standard Exe in the New Project dialog box, and then click OK.
' .On the Project menu, click References.
' .Double-click Microsoft VBScript Regular Expressions 5.5, and then click OK.
'   (If you can't find this option, download "Microsoft Windows Script 5.6"
'     from Microsoft)
' .In the toolbox, double-click CommandButton.
' .Double-click Command1 to open the Code window.
' .Paste the code above into the Command1_Click event handler:
'-----