$string = "";



$string = strtolower($string);



$QA = array (



"^(sveik|laba|swx).*[a-z,0-9]*\040(ro){0,1}bot.*" => "Sveikas",

"\040{0,1}(ro){0,1}bot.{0,3}\040{0,1}" => "nesuprantu ka tu nori :|",

".{0,7}bot.*" => "pats tu toks!!!"



);



$rezas = false;

foreach ($QA as $q => $a) {

    if (ereg($q, $string)) {

        $rezas = true;

        $atsakymas = $a;

        break;

        }

} 

echo "<br><br><br>".$string." - ".$atsakymas;