go 正则 爬取邮箱代码

package main

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

var url string = "https://tieba.baidu.com/p/5518324938?red_tag=1795043739"
var reEmail = `(\d+)@qq.com`
func main()  {

	resp, err := http.Get(url)
	handError(err)

	defer resp.Body.Close()

	bytesContent, err := ioutil.ReadAll(resp.Body)

	handError(err)

	getEmail(string(bytesContent))

}

// 处理错误
func handError(err error)  {
	//fmt.Println(err)
	if err != nil{
		fmt.Println(err)
	}

}

// 获取邮箱 qq邮箱 使用正则
func getEmail(content string)  {
	re := regexp.MustCompile(reEmail)
	list := re.FindAllStringSubmatch(content, -1)

	var result []string

	for _,v := range list {
		if v != nil{
			result = append(result,v[0])
		}

	}
	fmt.Println(result)

}

package main

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

var url string = "https://tieba.baidu.com/p/5934645800"
var reQQEmail = `(\d+)@qq.com`
var reEmail = `\w+@\w+\.\w+`
func main()  {

	content := getPageString(url)
	res1 := getEmail(content,reEmail)
	res2 := getEmail(content,reQQEmail)

	fmt.Println("一共找到邮箱",len(res1))
	fmt.Println("一共找到邮箱",len(res2))

}

// 处理错误
func handError(err error)  {
	//fmt.Println(err)
	if err != nil{
		fmt.Println(err)
	}

}

// 获取邮箱 qq邮箱 使用正则
func getEmail(content string,reg string) []string {
	re := regexp.MustCompile(reg)
	list := re.FindAllStringSubmatch(content, -1)

	var result []string

	for _,v := range list {
		if v != nil{
			result = append(result,v[0])
		}

	}
	return result

}

func getPageString(url string)  string {
	resp, err := http.Get(url)
	handError(err)

	defer resp.Body.Close()

	bytesContent, err := ioutil.ReadAll(resp.Body)

	handError(err)
	return string(bytesContent)
}