验证的日期格式yyyy-mm-dd

代码示例

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php验证的日期格式yyyy-mm-dd

$date="2012-09-12";

if (preg_match("/^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])$/",$date)) {
    return true;
} else {
    return false;
}
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转换的日期yyyy毫米dd格式

const formatYmd = date => date.toISOString().slice(0, 10);
formatYmd(new Date());  

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