[R] Replacing dot with empty space

[Sergey Goriatchev]

Hello, everyone

How do I replace dot with empty space in "ED4.Comdty"?
I need to get "ED4 Comdty"
tried sub() in many different ways, like sub({.}, " ", "ED4.Comdty")
etc but could not do it.

Thanks in advance,
Sergey