Replace re:replace with replaces in epm (#756)
Replace re:replace with replaces in epm (#756)

By using `replaces` it doesn't attempt to interpret \U as regex escape sequence. The \U comes from `C:\Users` which is like `/home` on Linux. 

This closes #755
elves/elvish,elves/elvish,elves/elvish,elves/elvish,elves/elvish