On 26.07.2016 13:51, Costello, Roger L. costello(_at_)mitre(_dot_)org wrote:
I need an XPath expression which returns true if the string in <A> is between 1
and 10 characters in length, and false otherwise.
For example, the XPath expression should return true on this XML:
<A>hi</A>
Here's an inefficient XPath expression:
(string-length(.) gt 0) and (string-length(.) le 10)
It's inefficient because it computes the string length twice.
Is there a more efficient XPath expression to solve this problem?
I don't know if
string-length() = 1 to 10
is more efficient but it only calls string-length once.
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