get_title.go

package main

import (
	"fmt"
	"io/ioutil"
	"net/http"
	"regexp"
)

func getTitle(url string) (string, error) {
	title := ""
	resp, err := http.Get(url)
	if err != nil {
		return "", err
	}
	defer resp.Body.Close()
	body, _ := ioutil.ReadAll(resp.Body)
	regex := regexp.MustCompile(`<title>(.*)<\/title>`)
	results := regex.FindStringSubmatch(string(body))
	if len(results) > 0 {
		title = results[len(results)-1]
	}
	return title, nil
}

func main() {
	fmt.Println(getTitle("http://google.com"))
}