expresiones.go

package main

/*
	https://parzibyte.me/blog
*/
import (
	"fmt"
	"regexp"
)

func main() {
	subdominios := [...]string{
		"https://ejemplo.parzibyte.me",
		"https://sublime-pos.parzibyte.me",
		"https://juegos.parzibyte.me",
		"https://admin.parzibyte.me",
		"https://hola.parzibyte.me",
		"http://hola.parzibyte.me",
		"http://www.parzibyte.me",
		"https://www.parzibyte.me",
		"https://hola.parzibyte.com",
		"acerca-de.parzibyte.me",
	}
	expresionRegular := regexp.MustCompile(`^https?:\/\/([\w-]+\.)?parzibyte\.me$`)
	subdominioPrueba := "https://blog.parzibyte.me"
	if expresionRegular.Match([]byte(subdominioPrueba)) {
		fmt.Println("Coincide")
	} else {
		fmt.Println("NO coincide")
	}
	for _, subdominio := range subdominios {
		coincide := expresionRegular.Match([]byte(subdominio))
		fmt.Printf("¿'%s' coincide? %t\n", subdominio, coincide)
	}
}