How to parse the array returned by the server as a regular string?

Question

PHP

There is a task, it is not yet clear where to dig, so I don’t want to use regular expressions, but so far I don’t see another solution, you can do it both in php and in Python. The second one I just started.
In general, data is loaded on the page on request to a JS script, I caught the request, I send it myself - the answer comes in the form of a regular string, not json. Like this:
"var A=Array(376);
var B=Array(135);
var C=Array(66);
A[1]=[1765540,14,2799,4790,'Ts','MSC', '2019,8,7,21,00,00',-1,3,2,1,2,1,1,1,2,'20','13','','',82,' ','',8,0];A[2]=[1706041,83,4134,19230,'3DF','rSC','2019,8,7,21,00,00',-1,3 ,1,2,0,0,0,0,0,'14','8','','',66,'','',0,0];
..."
etc. The problem itself is that this is a String and not JSON, and such a string must somehow be turned into an array ... You need to get array A and parse it into a PHP / Python array. In addition to regular expressions, I can’t see or google solutions yet, since apparently the task is somehow rare. But I don’t want to bother with regular seasons, because a large array is always given from 200 to 1000 values, you never know where there will be a semicolon that will incorrectly break the line or some other trick.
PS Corrected the question so that some do not get confused with the code tag. I wanted to highlight so it was clear, but it turned out as always ...

Answer 1

import re
import pandas as pd
from io import StringIO

srv_data = "A[1]=[1765540,14,2799,4790,'Ts','MSC','2019,8,7,21,00,00',-1,3,2,1,2,1,1,1,2,'20','13','','',82,'','',8,0];"\
           "A[2]=[1706041,83,4134,19230,'3DF','rSC','2019,8,7,21,00,00',-1,3,1,2,0,0,0,0,0,'14','8','','',66,'','',0,0];"

csv_data = '\n'.join(re.findall('=\[(.+?)\];', srv_data))

# Вариант без регулярок:
# csv_data = '\n'.join(line.split('=')[1].strip('[]') for line in srv_data.split(';') if line)

df = pd.read_csv(StringIO(csv_data), quotechar="'", header=None)

The most concise option, but strongly discouraged due to the risk of running the passed code:

import pandas as pd

data = "A[1]=[1765540,14,2799,4790,'Ts','MSC','2019,8,7,21,00,00',-1,3,2,1,2,1,1,1,2,'20','13','','',82,'','',8,0];"\
       "A[2]=[1706041,83,4134,19230,'3DF','rSC','2019,8,7,21,00,00',-1,3,1,2,0,0,0,0,0,'14','8','','',66,'','',0,0];"

A = {}
exec(data)  # Потенциально опасная операция, т.к. в ответе сервера может быть вредоносный код

pd.DataFrame(A.values())

If you don't want to mess with Pandas, you can use namedtuple.

Answer 2

The author's fear of regular seasons is incomprehensible.
As if any other parser wouldn't trip over a missing semicolon.
Despite the fact that regular expressions make the code orders of magnitude shorter.

preg_match_all('!A\[\d+\]=\[(.*?)\]!', $s, $matches);
$data = [];
foreach ($matches[1] as $row) {
    $data[] = str_getcsv($row, ",", "'");
}

PS.
I can't believe python is that bad.
I would like to see a solution from a person who knows the language.