define a search pattern in pom.xml

Hi All,

I'm running checkstyle 2.2 plugin for maven.
I run mvn with a pom.xml.
For findbugs I defined 
<onlyAnalsyze>**here comes a regex pattern**</onlyAnalyse> 
because I don't want maven to analyse all packages in folder but only that matching the pattern.
Now the question: Is that possible for checkstyle, too?
I couldn't find an easy solution on the web ...

Definition in my pom.xml:
<plugin>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-checkstyle-plugin</artifactId>
</plugin>

Thank you all a lot for your help in advance!!

Best wishes 
Mickey



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