On 30 Sep 2014, at 1:26, Carpii UK wrote:
I do understand I can convert it interactively, I was just looking for a one-shot key combo really.
Edit → Macros → Start Recording ⌘F, search for \r, replace with empty string and click Replace All. Edit → Macros → Stop Recording Edit → Macros → Save Macro
Now you have a macro for this to which you can assign a key equivalent or call up with ⌃⌘T.