[rules-users] "not matches'' not working when string is null

[Edson Tirelli]

    A null value on the field is supposed to evaluate to true only when
comparing with null. Otherwise, it should always evaluates to false.

    []s
    Edson

2009/3/2 techy <techluver007 at gmail.com>

>
> Hello,
> I'm checking for condition ' field not matches ".*ABC.*" ` in my rule.
> when field value is null, rule does not fire. But if field value != null
> and
> != ABC, then rule fires.
> Is this expected output or bug? Please clarify.
>
> Thanks
>
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>
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-- 
 Edson Tirelli
 JBoss Drools Core Development
 JBoss, a division of Red Hat @ www.jboss.com
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