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Categories / ASP.Net Tutorial / Validation
 

Validate Name

<%@ 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>          Name:<br />     <asp:TextBox ID="txtName" runat="server"></asp:TextBox>     <asp:RegularExpressionValidator ID="regName" runat="server"         ControlToValidate="txtName"         ValidationExpression="^[a-zA-Z'.\s]{1,50}"        Text="Enter a valid name" />                      <asp:Button ID="btnSubmit" Text="Click this to test validation" runat="server" />            </div>     </form> </body> </html>