Struts2 regex validation question

[Pranav]

Hi,

I want to put a validation in struts2 using field-validator type="regex" such 
that any string which contains any of the <, > or any of the alternative 
representation like &lt; should return a validation failure message. How do I 
do that?. I believe that if I give a pattern to regex, it shows error message 
if it DOES NOT match the pattern but here I know the pattern which the input 
field must not match in order to be valid. Any help?

<field-validator type="regex">
<param 
name="expression"><![CDATA[!(^.*(<|>|&lt;|&gt;|&#60;|&#62;)+.*$)]]></param> [i 
want to provide a pattern such that the input string does not match it]
<message>Input has invalid characters</message>
</field-validator>


Thanks
Pranav



      
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