Regular Expression!

[Adam J Knight]

Hi all,

I am trying to use the regular expression validator control (1.1).

My code so far:

<asp:regularexpressionvalidator id="regexValQuestionImage"
ControlToValidate="fleGraphic"
Display="None"
ErrorMessage="Invalid image type (gif/jpeg) only."
ValidationExpression=".+\.(gif|GIF|Gif|jpe?g|JPE?G|Jpe?g)"
runat="server"/>

What i want to do is modify the regular expression to allow the text to be
case insensitive? ie( .gif, .GIF, .Gif, .GiF ect).

Anyone got some ideas??

Cheers,
Adam

 

[Chris Fulstow]

You might be able to prefix the expression with "?i:" to specify
case-insensitivity:

"?i:.+\.(gif|GIF|Gif|jpe?g|JPE?G|Jpe?g)"

However, you'll probably need to set EnableClientScript to false for
this to work.

HTH,

Chris

 

[Bruno Piovan]

try this

^([a-zA-Z].*|[1-9].*)\.(((j|J)(p|P)(g|G))|((j|J)(p|P)(e|E)(g|G))|((g|G)(i|I)(f|F)))$

Bruno

 

[Karl Seguin [MVP]]

If you aren't willing to write your regex the way you are, the best solution
is to write (or use) a custom control that inherits from the validator and
implements the little logic. Here's a free one:

http://www.users.bigpond.com/concep...nsensitiveRegularExpressionValidator/code.htm

Karl