How to search document in specified folder

[swemon]

Dear all,
I want to search documents in specified folder. I mean in below case, searching documents of mainfolder1.
How can I do this?? With lucene possible?? I know lucene can specify store. I don't know about folder.
–>company home
—->mainfolder1
——->doc1
——->doc2
—->mainfolder2

[lementree]

HI Swemon you can serch in a specific folder using Lucene

below is the query for your search if you want to search in mainfolder1 :

PATH:"//app:company_home/st:sites/cm:mainfolder1" AND  @cm\:name:"doc*"