How do I write a custom search filter to weed out R.java files?

Question

I'm trying to create a custom search à la How to exclude a file extension from IntelliJ IDEA search? in Android Studio. How come the following pattern doesn't exclude R.java files?

Search for "file:*.java" yielding 1,192 results from 5,256 possible Search for "file:*.java&&!file:R.java" yielding 1,192 results from 5,256 possible

Note that the second uses &&!file:R.java, yet the scope does not contain fewer files.

It's VERY easy to look ONLY in R.java files. But who needs that? — SMBiggs, May 05 '15 at 21:17
@ScottBiggs I think no one does. That is why I wish to exclude all R.java files. — Ky -, May 06 '15 at 13:37

score 0 · Accepted Answer · answered Jun 02 '15 at 18:10

The issue is that one must take into account the path of the file. !file:R.java looks only for R.java in the root. To look for all R.Java files, one must use !file:*/R.java:

Search for "file:*.java" yielding 1,203 results from 5,304 possible Search for "file:*.java&&!file:*/R.java" yielding 1,163 results from 5,304 possible

Note that the second uses &&!file:*/R.java, and the scope contains fewer files.

How do I write a custom search filter to weed out R.java files?

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