Hi,
how can I determine if a value is contained in a another variable value?

example:

$a = "a,b,c,d"
$b = "b,c"

this statement seems not working:
 <xsl:if test="not(contains($a, $b))">

Could you please help?

Thanks
Carlos


------------------------------------------------------
Passa a
Infostrada. ADSL e Telefono senza limiti e senza canone Telecom
http://click.libero.it/infostrada07dic06