[R] Finding all overlaps between two sets of 1-Dimensional regions

[Sean Davis]

I have a simply defined regions ([start,end] where start<end).  I have two
large sets of them and want to find all regions in the first that overlap
any regions in the second.  The closest I could find by searching is
overlap.owin in I can do this by looping, but there is likely a better way
to do this.  Any suggestions?

Thanks,
Sean