go 校验邮件地址有效性

func VerifyMail(mail string) bool {
pattern := `^[0-9a-z][_.0-9a-z-]{0,31}@([0-9a-z][0-9a-z-]{0,30}[0-9a-z]\.){1,4}[a-z]{2,4}$`
reg := regexp.MustCompile(pattern)
return reg.MatchString(mail)
}

func VerifyMail(mail string) bool {
pattern := `^[0-9a-z][_.0-9a-z-]{0,31}@([0-9a-z][0-9a-z-]{0,30}[0-9a-z]\.){1,4}[a-z]{2,4}$`
reg := regexp.MustCompile(pattern)
return reg.MatchString(mail)
}