You can filter out characters using

translate(., ' -x', '')

However, I don't think you want to filter out the X. It's a check "digit"
and is a proper part of the ISBN.

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

> -----Original Message-----
> From: Gerard Bierens [mailto:gerard.bierens@xxxxxxxxx] 
> Sent: 19 March 2006 10:52
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject:  Re: How to strip partial text?
> 
> The given solutions in the thread did not work for me, I did find
> another one which brings me very close to the result I want:
> 
> http://images.amazon.com/images/P/<xsl:value-of
> select="substring(isbn/isbnprim, 6, 10)"/>.01.THUMBZZZ
> 
> This eliminates the first 5 characters, which was what I needed. But
> now it turns out that some of the ISBN-numbers are written like this:
> ISBN 91-12-304-403-x
> 
> Thus, I need to filter out the '-' and 'x' characters, anyone knows
> how to do that?
> 
> thanx,
> Gerard