package captcha

import (
	"math/rand"
	"regexp"
	"time"
)

var phoneReg = regexp.MustCompile("^[1][3-9][0-9]{9}$")

func RandomNumberGenerator() *rand.Rand {
	s1 := rand.NewSource(time.Now().UnixNano())
	r1 := rand.New(s1)
	return r1
}

func PhoneCheck(phone string) bool {
	return phoneReg.MatchString(phone)
}