test

<?php

$re = '/((\s|^)(?<code>\d{4})(\t|\s|$))|(?<yandex>\d{14})|((?<money>\d{1,}(\,\d{2}|\.\d{2})?)р\.)/m';
$str = '
Пароль: 2918
Перевод на счет 41001439721971
Спишется 235,74р.';

preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
$result = [];

foreach($matches as $match){
    $resource = ['code','yandex','money'];
    foreach($resource as $res){
         if(isset($match[$res]) && trim($match[$res]) != "") {
            $result[$res] = trim($match[$res]);
         }
    }

}

var_dump($result);

?>