Regex to find a number in a string in vb.net

Imports System.Text.RegularExpressions

Dim regex As New Regex("\d+")
Dim match As Match = regex.Match("Ranjeet_8")
Dim Mval As String = ""

If match.Success Then
	Mval = String.Format("Number found: " + match.Value & " at position " & match.Index.ToString())
Else
	Mval = "Not found!"
End If
Response.Write(Mval)