RE: [xsl] testing for string and number in XSLT 2.0 was Re: [xsl] Test For Numeric Values?

["Michael Kay" <mike@xxxxxxxxxxxx>]

> >It might have been a string that is the string 
> representation of a number:
> >
> >   "3.1415" (is a string)
> >
> >but this is completely different from:
> >
> >     3.1415 (is a number).
> >
> >What will really be useful is a function with an argument of item(),
> >that returns the real type of the argument.
> >  

Or go back to my original suggestion, which was to use

if ($x castable as xs:decimal) ...


Michael Kay
http://www.saxonica.com/