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mrjnamei / 常用regex
Created June 28, 2017 09:43
常用regex
RegularExpression
常用正则表达式大全汇总(持续更新中……)
校验数字的表达式
数字:^[0-9]*$
n位的数字:^\d{n}$
m-n位的数字:^\d{m,n}$
至少n位的数字:^\d{n,}$
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mrjnamei / Multipart
Created June 14, 2017 05:56
php make multipart/form-data upload file
class Multipart {
const EOL = "\r\n";
private $_data = '';
private $_mime_boundary;
public function __construct() {
$this->_mime_boundary = md5(microtime(true));
}