Yes, comma in this case is cleaner, but && should work too. What error do you see? What version of Drools are you using?

   []s
   Edson

2009/6/1 Greg Barton <greg_barton@yahoo.com>

Try a comma instead of &&

WrapperClass( sentence matches ".*Alpha.*", sentence2 matches ".*Beta*.")

--- On Mon, 6/1/09, Armaghan Mahmud <mahmud.armaghan@gmail.com> wrote:

> From: Armaghan Mahmud <mahmud.armaghan@gmail.com>
> Subject: Re: [rules-users] String comparison question
> To: "Rules Users List" <rules-users@lists.jboss.org>
> Date: Monday, June 1, 2009, 11:12 AM
> Thanks for your reply Edson. What
> if I want to test for multiple substrings in different
> strings?
>  
> For example, how can I find beta in sentence2?
>
> I tried to combine WrapperClass( sentence matches
> ".*Alpha.*" && sentence2 matches
> ".*Beta*.") but I got errors.
>
> Thanks,
> Armaghan
>  
> 2009/5/31 Edson Tirelli <tirelli@post.com>
>
>
>    If the string you are looking for is a substring of
> your sentence, you need to either use a regexp or an eval to
> call for an indexOf-like method:
>
>
> WrapperClass( sentence matches ".*Alpha.*" )
>
>    []s
>    Edson
>
>
> 2009/5/31 Armaghan Mahmud <mahmud.armaghan@gmail.com>
>
>
>
>
>
> Hey guys,
>  
> I read in a previous post that == in Drools 4.0.7 maps
> to .equals() automatically. My situation required me to put
> a String object into the working memory and do a comparison
> on it to see if a particular word is in the passed String
> sentence. Could anybody please guide me as to how to
> approach this problem? Thanks in advance. Here's my
> original code:
>
>  
>
> rule "Find Alpha in a
> sentence"
> salience100
> wrap: WrapperClass(Sentence == "Alpha")
> then
> System.out.println("Aha found
> ya!");
> end
>  
>  
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>
>
>
>
> --
>  Edson Tirelli
>  JBoss Drools Core Development
>  JBoss, a division of Red Hat @ www.jboss.com
>
>
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>
>
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 Edson Tirelli
 JBoss Drools Core Development
 JBoss, a division of Red Hat @ www.jboss.com