Question

最近,我向我自己的旧电子邮件数据库发送了通讯。经过几年后,这些电子邮件中约有30%不活跃,我收到数千份邮件收发失败信息。

All these failure notifications are stored on my server as text-files and they are replies containing the text I have sent to my subscribers. Each email has in its text the user s id. This id is preceded by a bit of common text, something like

<a href="abc.com?id=123321"></a>

页: 1 我想从我收到的每份失败报告中提取。

First I started to do that manually and collect everything one by one. After 500 emails my eyes felt on the floor and I m sure there s a solution with php and some functions. I was thinking of putting all of them into one big file and to find a preg_match way to do it or to try something with regex expressions.

你们如何处理这样一个问题,我应寻找解决办法?

Answer 1

这对我来说似乎是一个小型数据样本。只要你不从一劳永逸地装上所有数据,就应当努力:

$data = file_get_contents("data.txt");
preg_match_all( #(?<=<a href="abc.com?id=)d+(?="></a>)# ,$data,$matches);
print_r($matches);

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