Introducation:In
this Example iam going to explain how to use
RegularExpressionValidator
in
Asp.net
Description:
The RegularExpressionValidator control is used to ensure that an input value matches a specified pattern.
Regular Expression Validator for Email:
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Regular Expression Validator</title>
</head>
<body>
<form id="form1"
runat="server">
<div style="margin-left:
250px">
<asp:Label ID="Label1" runat="server" Text="Email ID:"></asp:Label>
<asp:TextBox ID="txtEmail" runat="server"></asp:TextBox>
<asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server"
ErrorMessage="Please
Enter Valid Email ID "
ControlToValidate="txtEmail"
ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*">
</asp:RegularExpressionValidator>
</div>
<div style="margin-left: 320px; margin-top: 50px;">
<asp:Button ID="btnSubmit" runat="server" Text="Submit" />
</div>
</form>
</body>
</html>
|
Regular Expression Validator for File Upload Control:
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Regular Expression Validator</title>
</head>
<body>
<form id="form1" runat="server">
<div style="margin-left: 250px">
<asp:Label ID="Label1"
runat="server"
Text="Upload
File:"></asp:Label>
<asp:FileUpload ID="FileUpload1" runat="server" />
<asp:RegularExpressionValidator
ID="revPFCompanyLogo"
runat="server"
ControlToValidate="FileUpload1"
ValidationExpression="^.+(.jpg|.bmp|.png|.jpeg|.gif)$"
ErrorMessage="Please
upload [.jpg |.bmp |.png |.jpeg |.gif
] files Only.">
</asp:RegularExpressionValidator>
</div>
<div style="margin-left: 320px; margin-top: 50px;">
<asp:Button ID="btnSubmit" runat="server" Text="Submit" />
</div>
</form>
</body>
</html>
|
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