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  1. <?php
  2.   $str = 'On 12-06-13 10:56 AM, "John Doe" <john.doe@some.tld> wrote:';
  3.   $email = preg_match('/^On [^"]*"[^"]*" <([^>]*)> wrote:$/', $str, $re) ? $re[1] : '';
  4. print ($email);
  5. ?>
Success #stdin #stdout 0.02s 13112KB
comments (?)
stdin 
Standard input is empty
stdout 
john.doe@some.tld
https://ideone.com/9Icti9
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
public

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