[rules-users] pattern
Markus Helbig
mhelbig81 at googlemail.com
Mon Oct 15 03:20:31 EDT 2007
2007/10/10, Edson Tirelli <tirelli at post.com>:
>
> Markus,
>
> Yes, eval code block will pass through DRL compiler into the java
> compiler. So you need to write the regexp as it is written in standard java
> code.
> Now, this must work:
>
> Item( title matches "^Test\s*" )
>
> Does not matter what characters title contains. If it is not working, it
> is a bug. Can you please submit a JIRA with a test case showing the problem?
i will do that ... because it is still not working
>
> Thanks,
>
> Edson
>
> 2007/10/10, Markus Helbig <mhelbig81 at googlemail.com>:
> > rule "PatternTest"
> > when
> > $pli:Item( eval(title.matches("^Test\s*")) )
> > then
> > #
> > end
> >
> > Having a second look i realize that the DroolsParser should not parse
> > the pattern string because it's java code ... and i can't use title
> > matches "^Test\s*" because title may have chars like (,\ and so on
> > that resolves into a RuntimeException (sth. with Groups not closed in
> > RegEx).
> >
> > Cheers
> >
> > Markus
> >
> > 2007/10/10, Edson Tirelli <tirelli at post.com>:
> > >
> > > Markus,
> > >
> > > Can you please show me your rule?
> > >
> > > []s
> > > Edson
> > >
> > > 2007/10/10, Markus Helbig <mhelbig81 at googlemail.com >:
> > > > Hi,
> > > >
> > > > no same exception when i use "\\s". JDK didn't change when i switched
> > > > from 3.x to 4.x
> > > >
> > > > Cheers
> > > >
> > > > Markus
> > > >
> > > > 2007/10/10, DELBART Vincent <delbart.v at mipih.fr>:
> > > > > Hi,
> > > > >
> > > > > I think you have to use "Test\\s+".
> > > > >
> > > > > I don't think it's a DROOLS problem (maybe jdk).
> > > > >
> > > > > V.
> > > > >
> > > > >
> > > > > -----Message d'origine-----
> > > > > De : rules-users-bounces at lists.jboss.org
> > > [mailto: rules-users-bounces at lists.jboss.org] De la
> part de
> > > Markus Helbig
> > > > > Envoyé : mercredi 10 octobre 2007 11:12
> > > > > À : rules-users at lists.jboss.org
> > > > > Objet : [rules-users] pattern
> > > > >
> > > > > Drools Documentation says:
> > > > >
> > > > > Matches a field against any valid Java Regular Expression. Typically
> > > that regexp is a String, but variables that resolve to a valid regexp
> are
> > > also allowed. It is important to note that different from java, if you
> write
> > > a String regexp directly on the source file, you don't need to escape
> '\'.
> > > Example:
> > > > >
> > > > > but
> > > > >
> > > > > "Test\s+" is a valid RegEx (it was valid in Drools 3.x too), but
> now:
> > > > >
> > > > > SyntaxfehlerRule Compilation error : [Rule name=OnlineStreaming
> Start,
> > > agendaGroup=MAIN, salience=100, no-loop=true]
> > >
> com/p7s1/swi/phoenix/n24/Rule_OnlineStreaming_Start_0.java
> > > (19:923) :
> > > > > Invalid escape sequence (valid ones are \b \t \n \f \r \" \' \\ )
> > > > >
> > > > >
> > > > >
> > > > > What i'm doing wrong here?
> > > > >
> > > > > Cheers
> > > > >
> > > > > Markus
> > > > > _______________________________________________
> > > > > rules-users mailing list
> > > > > rules-users at lists.jboss.org
> > > > >
> https://lists.jboss.org/mailman/listinfo/rules-users
> > > > >
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> > > > >
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> > > > >
> > > >
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> > > >
> > >
> > >
> > >
> > > --
> > > Edson Tirelli
> > > Software Engineer - JBoss Rules Core Developer
> > > Office: +55 11 3529-6000
> > > Mobile: +55 11 9287-5646
> > > JBoss, a division of Red Hat @ www.jboss.com
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> > >
> > >
> >
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> >
>
>
>
> --
> Edson Tirelli
> Software Engineer - JBoss Rules Core Developer
> Office: +55 11 3529-6000
> Mobile: +55 11 9287-5646
> JBoss, a division of Red Hat @ www.jboss.com
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
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>
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