package main

import (
   "flux"
)

func main() {
   // create the regex 
   regex := flux.NewFlux().StartOfLine().Find("http").Maybe("s").Then("://").Maybe("www.").AnythingBut(".").Either(".co", ".com", ".de").IgnoreCase().EndOfLine()
   
   // print the created regex
   fmt.Println("Regex: ", regex.String())
   // or
   fmt.Println("Regex: ", regex)
   
   // The subject string (URL)
   subject := 'http://www.selvinortiz.com';
   
   // Match 
   match, _ := regex.Match("http://selvinortiz.com")
   if match {
      fmt.Println("Matched")
   }
   
   // Replace
   repl := regex.Replace("http://selvinortiz.com", "$5$6")
   if repl == "selvinortiz.com" {
      fmt.Println("Replacement ok")
   }
}