Validating Images while uploading using reguler expression.

Posted Date: 06 Nov 2009	Resource Type: Code Snippets	Category: ASP.NET WebForms
Author: Prajeesh	Member Level: Gold
Rating:	Points: 2

Validate Images

You can use this regular expression to validate an image uploaded by File Upload control, below is the code of reguler expression validator


<asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server"
ErrorMessage="Upload a valid image (jpg/png/bmp)"
ValidationExpression ="^.+\.((jpg)(JPG)(gif)(GIF)(jpeg)(JPEG)(png)(PNG)(bmp)(BMP))$"
ControlToValidate="fupImage" ValidationGroup="Author_reg"> Upload a valid image</asp:RegularExpressionValidator>

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