Go+Revel example for redirecting hyphenated domains to non-hyphenated ones.

RedirectHyphenDomains.go

package controllers

import (
	"github.com/revel/revel"
	"strings"
)

type App struct {
	*revel.Controller
}

func (c App) Index() revel.Result {
	host := c.Request.Host
	path := c.Request.URL.Path
	
	if strings.Contains(host, "-") {
		newHost := strings.ReplaceAll(host, "-", "")
		newURL  := "https://" + newHost + path
		return c.Redirect(newURL)
	}
	
	return c.Render()
}