$re = '/在此输入你的正则表达式/';
$str = '1 2017-04-11 Zjmainstay
2 2017-04-12 Nobody
3 2017-04-13 Somebody';
$subst = "INSERT INTO table_log(`id`, `created_at`, `author`) values('$1', '$2', '$3');";
$result = preg_replace($re, $subst, $str);
echo "The result of the substitution is ".$result;
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php