$re = '/(?<my_field>9F10.*)/m';
$str = '^9F33006E0F848^00950108080008000^9F37008B1832B33^9F1E0163236353132303337^9F26016B9F12AB2FA191854^9F36003003F^00820041980^009C00200^9F1A0040643^009A006210114^9F02012000000058700^5F2A0040643^9F03012000000000000^9F2700280^9F340061F0002^9F3500222^0084014A0000006581010^9F090040002^9F41006023804^9F100640FA501A030002000ED085B191CB9E97C10040000000000000000000000000000';
preg_match_all($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