手机号码正则，座机正则，400正则

var reg = /(^(0[0-9]{2,3}\-)?([2-9][0-9]{6,7})+(\-[0-9]{1,4})?$)|(^((\(\d{3}\))|(\d{3}\-))?(1[3578]\d{9})$)|(^(400)-(\d{3})-(\d{4})(.)(\d{1,4})$)|(^(400)-(\d{3})-(\d{4}$))/;
if ( reg.test(gets) ){
   alert('匹配成功');
  }else{
   alert('匹配失败');
 }