JavaScript IP MAC 验证

//mac地址正则表达式function CheckForm2()
{
 var reg_name=/[A-F\d]{2}:[A-F\d]{2}:[A-F\d]{2}:[A-F\d]{2}:[A-F\d]{2}:[A-F\d]{2}/;
 if(!reg_name.test(document.form2.mac.value)){
  alert("mac地址格式不正确！mac地址格式为00:24:21:19:BD:E4");
  document.form2.mac.focus();
  return false;
 }
 return true;
}

//ip地址正则验证

function ipvalidate(ip) {
 var val = /([0-9]{1,3}\.{1}){3}[0-9]{1,3}/;
 var vald = val.exec(ip);
 if (vald == null) {
  alert('注意IP有效性');
   return false;
 }
 if (vald != '') {
   if (vald[0] != ip) {
   alert('注意IP有效性');
  return false;
  }
 }

}