Mega Code Archive
Validate URL
<![CDATA[
<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Regular Expression Tester</title>
</head>
<body>
<form id="form1" runat="server">
<div>
Web Site URL:<br />
<asp:TextBox ID="txtUrl" runat="server"></asp:TextBox>
<asp:RegularExpressionValidator ID="regUrl"
runat="server"
ControlToValidate="txtUrl"
ValidationExpression="^((http|https)://)?([\w-]+\.)+[\w]+(/[\w- ./?]*)?$"
Text="Enter a valid URL" />
<asp:Button ID="btnSubmit" Text="Click this to test validation" runat="server" />
</div>
</form>
</body>
</html>
]]>