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1.1 ÕûÊý
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/^[-+]?\d*$/ ¿ÉÒÔΪ¿Õ
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/^\d+$/
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/^-\d+$/
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2.1 ¶Ìʱ¼ä£¬ÐÎÈç (13:04:06)
¡¡¡¡¡¡¡¡function isTime(str)
{
var a = str.match(/^(\d{1,2})(:)?(\d{1,2})\2(\d{1,2})$/);
if (a == null) {alert('ÊäÈëµÄ²ÎÊý²»ÊÇʱ¼ä¸ñʽ'); return false;}
if (a[1]>24 || a[3]>60 || a[4]>60)
{
alert("ʱ¼ä¸ñʽ²»¶Ô");
return false
}
return true;
}
2.2 ¶ÌÈÕÆÚ£¬ÐÎÈç (2003-12-05)
function strDateTime(str)
{
var r = str.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/);
if(r==null)return false;
var d= new Date(r[1], r[3]-1, r[4]);
return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]);
}
^(?:(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00)))(\/|-|\.)(?:0?2\1(?:29))$)|(?:(?:1[6-9]|[2-9]\d)?\d{2})(\/|-|\.)(?:(?:(?:0?[13578]|1[02])\2(?:31))|(?:(?:0?[1,3-9]|1[0-2])\2(29|30))|(?:(?:0?[1-9])|(?:1[0-2]))\2(?:0?[1-9]|1\d|2[0-8]))$
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}
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{
alert(i);
}
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