package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?s)^((?:https?://)?(?:www\.)?\S+\.\S+)\n(?=.*^\1$)`)
var str = `operator.livrareflori.md
operator.livrareflori.md
operator.livrareflori.md
operator.livrareflori.md
operator.livrareflori.md
operator.livrareflori.md
operator.livrareflori.md
operator.livrareflori.md
operator.livrareflori.md
operator.livrareflori.md
operator.livrareflori.md
operator.livrareflori.md
amazon.de
fonts.gstatic.com
fonts.gstatic.com
fonts.gstatic.com
erovoyeurism.net
tugtechnologyandbusiness.com`
var substitution = ""
fmt.Println(re.ReplaceAllString(str, substitution))
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Golang, please visit: https://golang.org/pkg/regexp/