在Eclipse中是否有一个好的“查找所有”函数?

I have been using Eclipse for R and C++. So far I have not been able to find a reliable "find all" function. It seems to be an easy concept, I search for a string such as "rows" and the function should return all occurences of it within the that I currently have open. (Even if it's in all files in my owrkspace, that's fine too.)I have been using Eclipse for R and C++. So far