$re = '/\bnew\s+Array\s*[(]\s*(".*?)(?=[)]\s*,\s*new\s+Array|\s*[)]\s*[)]\s*[^(]+$)/m';
$str = ' mmSuggestDeliver(0, new Array("Name", "Category", "Keywords", "Bias", "Extension", "IDs"), new Array(new Array("HSBC Holdings plc (Spons. ADRs)", "Stocks", "HSBC|US4042804066|HSBC||", "75", "", "hsbc|HSBC|1|4917"),new Array("HSBC Holdings plc", "Stocks", "|GB0005405286|||HSBA", "75", "", "hsbc-gb0005405286||1|1046"),new Array("HSBC Trinkaus & Burkhardt AG", "Stocks", "|DE0008115106|||TUBG", "75", "", "hsbc_trinkausburkhardt||1|3774"),new Array("HSBC Bank Malta Plc Registered Shs", "Stocks", "|MT0000030107|||", "75", "", "hsbc_bank_malta||1|16831644"),new Array("HSBC-D7 SA de CV SIID (A)", "Stocks", "|MX51HS0Q00E8|||", "75", "", "hsbc-d7||1|5125971"),new Array("HSBC US Buy-Out GmbH & Co. KGaA", "Stocks", "|DE000A0MM6H7|||", "75", "", "hsbc_us_buy-out_gmbhco||1|23145"),new Array("HSBC Holdings PLC ADR Cert Deposito Arg Repr 0.5 ADRs", "Stocks", "|ARDEUT112257|||", "75", "", "hsbc_2||1|1399269"),new Array("HSBC Holdings PLC6.2 % Pfd Shs Sponsored American Deposit Repr 1/40th 6.2 % PfdShs Ser -A-", "Stocks", "HSBC.PA|US4042806046|HSBC.PA||", "75", "", "hsbc-pa|HSBC.PA|1|19327"),new Array("HSBC Holdings PLC 8 % Perp Sub Cap Secs 2010-Without Fixed Maturity Series -2-", "Stocks", "HSEB|US4042808026|HSEB||", "75", "", "hseb|HSEB|1|5083319"),new Array("HSBC Holdings PLC 8 1-8 % Perpetual Sub Cap Secs 2008-Exch into Non-Cum Dollar Pref Shs", "Stocks", "HSEA|US4042807036|HSEA||", "75", "", "hsea|HSEA|1|3782270")), 10, 0);';
preg_match_all($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