I'm not a a development machine so can't test this now but you could try using:

  <var-value> ^[~\$]+$</var-value>

..  Also failing that you could always opt for something like
^[0-9a-zA-Z]* listing valid inputs, as opposed to a value you don't
want.

Tim Christopher

On Wed, 23 Mar 2005 16:37:47 -0800, Jaswinder Kaur <[EMAIL PROTECTED]> wrote:
> Hi all,
> 
> I want to validate a string value and make sure that it does not have "&",
> "$" or "=" character in it. I used the following code
> 
> <var>
>        <var-name>mask</var-name>
>        <var-value>[^/$&amp;=]+$</var-value>
>    </var>
> 
> This work only if the last character is either "&", "$" or "="  else it does
> not.
> 
> Please help!!
> 
> TIA
> Jaswinder
> 
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