/^([-a-zA-Z/-&\?!,.'"s0-9@:=_]{1,1000})$/

public $regex = array ('char' => "/^[a-zA-Z.s]{0,50}$/",
                       'misc' => "/^([-a-zA-Z/-&\?!,.'"s0-9@:=_]{1,1000})$/");

if(preg_match($this->regex[$validation],$this->filteredValue[$fieldName])) {
    $this->messageArray[$fieldName] = '<span class="cheers"> &nbsp; Thank You</span>';
}

/^([-a-zA-Z/&\?!,.x1b"s0-9@:=_-]{1,1000})$/

<?php
// Query
$query = sprintf("SELECT * FROM users WHERE user='%s' AND password='%s'",
            mysql_real_escape_string($user),
            mysql_real_escape_string($password));
mysql_query($query);

?>