<script language="VB" runat="server">
Sub Page_Load(Src As Object, E As EventArgs)
Dim strTest As String
strTest = "A sentence with stuff to replace."
no_replace.text = strTest
strTest = Regex.Replace(strTest, "to replace", "replaced")
replace.text = strTest
End Sub
</script>
<html>
<body>
原字符串: <asp:label id="no_replace" runat="server"/>
<hr />
替换后字符串: <asp:label id="replace" runat="server"/>
</body>