Re: [xsl] XPath 1.0 Expression to Test for 3 Digit Number

["G. Ken Holman" <gkholman@xxxxxxxxxxxxxxxxxxxx>]

At 2012-05-08 13:07 -0700, Don Smith wrote:
> I need an XPath 1.0 expression that will test a node and return a
> boolean if the node content is a 3 digit number (i.e., 100-999) and
> false if it's anything else.
>
> The catch is this expression won't
> be in a transformation so I can't use variables or other additional
> constructs. All I get is one expression. I've tried this
>
> *[(string(number(.)) !='NaN')]
>
>
> and
>  obtained the number that I need. But I can't get any sort of compare to
>  work that makes the number be more than 99 and less than 1,000.

Did you try just checking its length?  Note I use a different 
comparison to ensure the value is, itself, a number at all.

*[number(.)=number(.) and string-length(string(number(.)))=3]

I hope this helps.

. . . . . . . . Ken


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