Yandex money sms parser

parse.php

<?php

// generator is here:
// https://funpay.ru/yandex/emulator

function parseMessage($message){
    //code
    preg_match("/[' '][0-9]{4}['\n']/", $message, $code);
    $code = $code[0] ?? '';
    $code = trim($code);

    // amount
    preg_match("/[' '][0-9]{1,}[','][0-9]{2}['р.']/u", $message, $amountDouble);
    $amountDouble = $amountDouble[0] ?? '';
    $amountDouble = mb_substr($amountDouble, 0, -1);

    preg_match("/[' '][0-9]{1,}['р.']/u", $message, $amountInt);
    $amountInt = $amountInt[0] ?? '';
    $amountInt = mb_substr($amountInt, 0, -1);

    $amount = $amountDouble ?: $amountInt;

    // account
    preg_match("/[0-9]{14}/", $message, $account);
    $account = $account[0] ?? '';

    return [
        'code' => $code,
        'amount' => $amount,
        'account' => $account,
    ];
}

$message = 'Пароль: 0122
Спишется 2010,06р.
Перевод на счет 41001664447777';

$data = parseMessage($message);
echo json_encode($data);