nutch crawl path

I would like to know how to make nutch crawl not only the domain that I specified, but also the dir path within 开发者_StackOverflowthe domain that I specified. I know that you can configure this information on regex-urlfilter.txt

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This should crawl only the domain/path you want :

+.*www\.domain\.com/yourpath/.*  
#skip everything else  
-.*