i solved the problem using a custom validator, which i have attached in case anyone finds it useful ... feel free to roll it into xwork.
then i suddenly realised that i could possibly use the expression validator to test string length without having a custom class. so i wrote the following, but it doesn't parse because of the '<' character (this possibly means that the example on the wiki is also broken). wrapping in a CDATA element gives an error stating 'Got result of null when trying to get boolean'.
<validator type="expression">
<param name="expression">title.length < 10</param>
<message>Title must be less than 10 characters long.</message>
</validator>CDATA: <![CDATA[title.length < 10]]>
is using the expression validation not possible when validating string length?
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