Re: [xsl] XPath expression for checking that an xs:duration value is not negative?

[David Carlisle <davidc@xxxxxxxxx>]

On 23/04/2011 15:49, Brandon Ibach wrote:
>  wouldn't it be sufficient to just
> check for the leading minus sign?

yes thought about that afterwords, although hadn't checked if multiple - 
were allowed. You might need to remove white space first eg with 
normalize-space)

David