Help with end of search with file_get

PHP
1 
$file = "/var/www/html/sataxicrm/custom/include/language/lang.en_us.lists.txt";
$content = file_get_contents($file);
$pos = strpos($content,"account_type_dom");
$end = strpos($content,"industry_dom");
$string = substr($content,$pos,($end- $pos));
$array = nl2br($string);
//print $content;
echo "Database Value:Label Value <br>";
print $array;

The above code works well if you knowwhat your end string is, but in my case i do not know. i only know the start.
Below is an example of the text

As you can see i know it starts with account_type_dom but i do not know that it will end before industry_dom. so i need to stop before industry_dom. how do i do this?

account_type_dom
@clear
“”: “”
@orig Customer
"Brand Owner ": "Brand Owner "
Printing Company: Printing Company
Installation Company: Installation Company
Sales Person: Sales Person
Zebra: Zebra
industry_dom
@clear
“”: “”
@orig Apparel
@orig Banking
@orig Biotechnology
@orig Chemicals
@orig Communications

2

Would it be easier to read the file using file() and process each line as part of an array?

3

First you need to define in words exactly where your end-point is, rather than where it is not. For example, is it fair to say that after you have your account_type_dom, you’ll have two @clear lines, and you end two lines before the second one? Or does any line starting in @ suggest something special, and you can work backwards from that? Or how about any line ending in “_dom” as a marker? Or the first line that doesn’t include a : colon separator?

It’s a bit difficult to suggest options based only one record - what other things could be in that spot if industry_dom is not?

4

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