function isDate(obj)
{
var a = obj.value.match(/^(\d{0,4})-(\d{0,2})-(\d{0,2})$/);
if (a == null)
{
return false;
}
if ( a[2]>=13 || a[3]>=32 || a[4]>=24)
{
return false;
}
else
{
return true;
}
}
{
var a = obj.value.match(/^(\d{0,4})-(\d{0,2})-(\d{0,2})$/);
if (a == null)
{
return false;
}
if ( a[2]>=13 || a[3]>=32 || a[4]>=24)
{
return false;
}
else
{
return true;
}
}
2008-05-06
2008-05-6
2008-5-06
2008-5-6 var a=/^(\d{4}\-(0?\d{1})\-(0?d{1}))$/g;
下面和楼上一样
<script type="text/javascript">
function validDateFormat(dateStr){
if(dateStr.length==0)
return false ;
var reg = /^(\d{4})(\/|-)(\d{1,2})\2(\d{1,2})$/
var arr = reg.exec(dateStr);
if (arr == null)
return false;
var date = new Date(arr[1],arr[3]-1,arr[4]);
return date.getFullYear()==arr[1] && date.getMonth()==(arr[3]-1) && date.getDate()==arr[4];
}
alert(validDateFormat("2008-02-30"))
alert(validDateFormat("2008-3-1"))
alert(validDateFormat("2008-3-01"))
</script>
网上的 支持2008-3-01 ,2008/3/01
如果只支持2008-3-01
var reg = /^(\d{4})(-)(\d{1,2})\2(\d{1,2})$/
var reg = /^(\d{4})(\/|-)(\d{1,2})\2(\d{1,2})$/
上面的正则 (\d{1,2})\2(\d{1,2})$/ 中\2是什么意思