<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void Button1_Click(object sender, EventArgs e)
{
Label1.Text = "Your email: " + TextBox1.Text.ToString();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>asp.net RegularExpressionValidator example: how to validate email address</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h2 style="color:Red">RegularExpressionValidator: email</h2>
<asp:Label
ID="Label1"
runat="server"
Font-Bold="true"
Font-Italic="true"
Font-Size="Large"
ForeColor="SeaGreen"
>
</asp:Label>
<br /><br />
<asp:Label
ID="Label2"
runat="server"
Text="Email"
>
</asp:Label>
<asp:TextBox
ID="TextBox1"
runat="server"
BackColor="DodgerBlue"
ForeColor="AliceBlue"
>
</asp:TextBox>
<asp:RequiredFieldValidator
ID="RequiredFieldValidator1"
runat="server"
ControlToValidate="TextBox1"
Text="*"
>
</asp:RequiredFieldValidator>
<asp:RegularExpressionValidator
ID="RegularExpressionValidator1"
runat="server"
ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"
ControlToValidate="TextBox1"
ErrorMessage="Input valid email address!"
>
</asp:RegularExpressionValidator>
<br /><br />
<asp:Button
ID="Button1"
runat="server"
Text="Submit email"
Font-Bold="true"
ForeColor="DodgerBlue"
OnClick="Button1_Click"
/>
</div>
</form>
</body>
</html>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void Button1_Click(object sender, EventArgs e)
{
Label1.Text = "Your email: " + TextBox1.Text.ToString();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>asp.net RegularExpressionValidator example: how to validate email address</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h2 style="color:Red">RegularExpressionValidator: email</h2>
<asp:Label
ID="Label1"
runat="server"
Font-Bold="true"
Font-Italic="true"
Font-Size="Large"
ForeColor="SeaGreen"
>
</asp:Label>
<br /><br />
<asp:Label
ID="Label2"
runat="server"
Text="Email"
>
</asp:Label>
<asp:TextBox
ID="TextBox1"
runat="server"
BackColor="DodgerBlue"
ForeColor="AliceBlue"
>
</asp:TextBox>
<asp:RequiredFieldValidator
ID="RequiredFieldValidator1"
runat="server"
ControlToValidate="TextBox1"
Text="*"
>
</asp:RequiredFieldValidator>
<asp:RegularExpressionValidator
ID="RegularExpressionValidator1"
runat="server"
ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"
ControlToValidate="TextBox1"
ErrorMessage="Input valid email address!"
>
</asp:RegularExpressionValidator>
<br /><br />
<asp:Button
ID="Button1"
runat="server"
Text="Submit email"
Font-Bold="true"
ForeColor="DodgerBlue"
OnClick="Button1_Click"
/>
</div>
</form>
</body>
</html>
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