Regular Expression Validator Control in asp.net

For Example: Write a program to demonstrate the use of regular expression validator control

<html>

<title>Aryan Computers( Range Validator control) </title>

</head>

<body>

<asp:Label ID="Label1" runat="server" Font-Bold="True" Font-Size="XX-Large"

ForeColor="#CC0066" Text="Aryan Computers, Barshi"></asp:Label>

<asp:Label ID="Label2" runat="server" Font-Bold="True"

Text="First Name: "></asp:Label>

 <asp:TextBox ID="TextBox4" runat="server" style="margin-left: 50px"

Width="233px"></asp:TextBox>

</p>

<asp:Label ID="Label3" runat="server" Text="Last Name:" Font-Bold="True"></asp:Label>

<asp:TextBox ID="TextBox1" runat="server" Height="25px"

style="margin-left: 68px" Width="240px"></asp:TextBox>

<p>

<asp:Label ID="Label4" runat="server" Text="E-Mail : " Font-Bold="True"></asp:Label>

<asp:TextBox ID="TextBox2" runat="server"

style="margin-left: 80px; margin-bottom: 0px" Width="360px" Height="26px"></asp:TextBox>

<asp:RegularExpressionValidator ID="RegularExpressionValidator1"

ValidationExpression="\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w{2,4}([-.]\w{2,4})*([,;]\s*\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w{2,4}([-.]\w{2,4})*)*"

ControlToValidate="TextBox2"

runat="server"

ErrorMessage="Enter correct Email format"></asp:RegularExpressionValidator>

<asp:Label ID="Label5" runat="server" Text="Mobile Number:" Font-Bold="True"></asp:Label>

<asp:TextBox ID="TextBox3" runat="server" style="margin-left: 33px"

Width="212px"></asp:TextBox>

<asp:Button ID="Button1" runat="server" Font-Bold="True" Height="31px"

Text="Submit" Width="148px" style="margin-left: 170px" />

</form>

</body>

</html>

Output:

C # Programs