$re = '/<b>([^<]+)<\/b>([^<]+)/m';
$str = '<table> <tbody><tr><td><b>Your boss name </b> jennefer</td></tr> <tr><td><b>your id:</b> 2241</td></tr> <tr><td><b>Email:</b> yourbossemail@gmail.com</td></tr> <tr><td><b>File Format:</b> officeial</td></tr> </tbody></table> </td>
';
$subst = "";
$result = preg_replace($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