$re = '/INSERT INTO (\S+) \((\S+)\) VALUES \((\S+)\) , \((\S+)\)/';
$str = 'INSERT INTO table_name (c1,c2,c3) VALUES (abc,def,ghi) , (jkl,mno,pqr)';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
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