Pranav wrote:
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 <
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[!(^.*(<|>|<|>|<|>)+.*$)]]></param> [i
want to provide a pattern such that the input string does not match it]
<message>Input has invalid characters</message>
</field-validator>
Try <![CDATA[^[^<>...]*$]> -- in other words, match a string of zero or
more characters excluding <, >, ...
L.
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