1 package main 2  3 import ( 4 "fmt" 5 "io/ioutil" 6 "net/http" 7 "os" 8 "regexp" 9 )10 11 var (12 rePhone = `(1[3456789]\d)(\d{4})(\d{4})`13 )14 15 func HandleError(err error, when string) {16 if err != nil {17  fmt.Println(when, err)18 os.Exit(1)19  }20 }21 22 func main() {23 //http get请求页面24 resp, err := http.Get("https://www.haomagujia.com/")25 26 //处理报错27 HandleError(err, "http.Get")28 29 //读取整体获取的页面内容30 bytes, _ := ioutil.ReadAll(resp.Body)31 html := string(bytes)32 //fmt.Println(html)33 34 //使用正则表达式对象在网页中过滤出手机号信息35 re := regexp.MustCompile(rePhone)36 //-1 代表匹配全部37 allString := re.FindAllStringSubmatch(html, -1)38 for _, x := range allString {39  fmt.Println(x)40  }41 42 }