> **Possible Duplicate:**  
> [How Can I Search A Specific Type of File in Mac?](http://apple.stackexchange.com/questions/602/how-can-i-search-a-specific-type-of-file-in-mac)  

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How could I use spotlight to search for example for files that end with jar or files that end with doc and at the same time contains "Hello" in it's name?