package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)https:\/\/(?:web.archive.org\/web\/\d*(?:|if_)|archive.*\/.*\/)\/((?:https?:\/\/)?(?:[^@\n]+@)?(?:www\.)?([^:\/\n?]+)).*$`)
var str = `https://web.archive.org/web/20210709181138if_/https://www.cualquierdominio.es/slug/contenido.html
https://web.archive.org/web/20210709181138/http://www.dominioaceptable.com/slug/contenido.php
https://web.archive.org/web/20210709181138/http://dominiobaneado.co.uk/slug/contenido.html?id=324
https://web.archive.org/web/20210709181138/https://dominiosnuevos.info/slug
https://archive.ph/2021.07.09-181138/https://www.dominio.net/`
for i, match := range re.FindAllString(str, -1) {
fmt.Println(match, "found at index", i)
}
}
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/