# BeforeLast *Str
BeforeLast
returns a new instance of Str containing the substring before the last occurrence of the given substring.
# Signature
func (s *Str) BeforeLast(substring string) *Str
# Examples
str.New("golang").BeforeLast("go").String()
// ""
str.New("go go go!").BeforeLast("go").String()
// "go go "
str.New("øæøåøåø").BeforeLast("ø").String()
// "øæøåøå"
str.New("rocket 🚀🚀 man").BeforeLast("🚀").String()
// "rocket 🚀"