js验证常用正则表达式集锦

js验证常用正则表达式集锦

<script>

if(!parseInt(month)) return false;

month = month==0 ?12:month;

var date = new Date(year, month-1, day);

return (typeof(date) == "object" && year == date.getFullYear() && month == (date.getMonth()+1) && day == date.getDate());

}

}

</script>