$re = '~^(\d{2}/\d{2})\s+([^-+]*)\s+([-+]?)\s?(\d{1,3}(?:\.\d{3})*(?:,\d+)?)\s+(.*)?~m';
$str = '16/04 RC GRACAS 2 - 0,02
SAÚDE .RECIFE
16/04 RC GRACAS 2 02/03 45,97
SAÚDE .RECIFE
12/12 - 23
No description, negative value
12/12 23
No description, unsigned value
12/12 + 23
No description, positive value
12/12 A description that contains a - hyphen - 14
with negative number
12/12 A description that contains a + plus + 14
with positive number
12/12 Adjacent hyphens - - 1
with negative number
12/12 Adjacent pluses + + 1
with positive number
12/12 Adjacent hyphens -- 1
with no space
12/12 Adjacent pluses++ 1
with no space
';
preg_match_all($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