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  1. <?php
  2.  
  3. $text_clean = <<<EOT
  4. From: Black, Jack (LA)
  5. Sent: Monday, October 28, 2013 6:36 PM
  6. To: George, Jackson (London); DCS.CC.DARWIN (Australia)
  7. Cc: Bar, Foo (Istanbul); Ex, Reg (Istanbul); Smith, John (Istanbul); Rambo,
  8. John J. (Gaziantep); Matrix, John (Phuket)
  9. Subject: RE: PREVENTIVE AND CORRECTIVE ACTIONS / FOOBAR
  10.  
  11. Dear George,
  12.  
  13. venenatis imperdiet quam. Proin a egestas nunc, et mattis elit. In hac habitasse platea dictumst. Nulla dolor nibh, tempus ut neque eu, tempus fermentum mauris. Mauris nec ipsum nec sapien commodo scelerisque ut eu urna. Pellentesque eu neque in enim adipiscing faucibus. Sed interdum arcu et sem mollis iaculis. Duis euismod laoreet ligula lacinia dapibus. Vestibulum ullamcorper malesuada metus at malesuada. 
  14.  
  15.  Nullam enim elit, auctor vehicula orci eget, imperdiet feugiat odio. Etiam dapibus sagittis sem a varius. Nulla sit amet convallis mi, sit amet rutrum ipsum. In libero lectus, mattis at dui eu.
  16.  
  17. Thank you and best regards,
  18.  
  19. Jack B. Black (Mr)
  20. Operations Manager (GGD)
  21. FU Supervisor (R34, R57)
  22.  
  23. Phone: +1112212212 (local 1111)
  24. Mobile: +12 121.111.11.12
  25.  
  26. From: George, Jackson (UK)
  27. Sent: Monday, October 28, 2013 5:57 PM
  28. To: DCS.CC.DARWIN (Australia)
  29. Bar, Foo (Istanbul); Ex, Reg (Istanbul); Smith, John (Istanbul); Rambo,
  30. John J. (Gaziantep); Matrix, John (Phuket)
  31. Subject: PREVENTIVE AND CORRECTIVE ACTIONS / FOOBAR
  32.  
  33. Dear Colleagues,
  34.  
  35. ermentum. Duis ipsum quam, bibendum a risus nec, tincidunt fringilla lectus. Nunc vel dictum massa, et cursus nunc. Mauris tincidunt felis eget justo congue volutpat. Nulla condimentum accumsan elementum. Integer commodo, lorem eu pharetra suscipit, ligula.
  36.  
  37. Best Regards.
  38.  
  39. SDFD srfgGD
  40. Field coordinator (GGD)
  41. Customer Representative
  42.  
  43. sds dfsd sdfgsef sdfsd
  44. sgzdfgdfg fgfg gdfg
  45. Footer text etc
  46. sdfdfdf dfgsdfgsdfgsdfg
  47. Phone : +90 212 368 40 00 (ext:3814)
  48. EOT;
  49.  
  50. preg_match(
  51.                  '/                         # delimiter
  52.                 (                           # capturing group start
  53.                 [\ A-Z][a-z]+:.+\(.+\)\R    # From: field
  54.                 [A-Z][a-z]+:.+\R            # Sent: fields
  55.                 [A-Z][a-z]+:.+\R            # To: field (1st line)
  56.                 (?:.+\R)+              # any additional header lines, before blank line (To, CC, BCC, Subject, Attachments)
  57.                 )                           # capturing group end
  58.                 # delimiter + modifiers /x',$text_clean, $matches);
  59.         echo '<b>Matches: '.count($matches).'</b>';
  60.         print_r($matches);
Success #stdin #stdout 0.01s 20568KB
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Standard input is empty
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<b>Matches: 2</b>Array
(
    [0] => From: Black, Jack (LA)
Sent: Monday, October 28, 2013 6:36 PM
To: George, Jackson (London); DCS.CC.DARWIN (Australia)
Cc: Bar, Foo (Istanbul); Ex, Reg (Istanbul); Smith, John (Istanbul); Rambo,
John J. (Gaziantep); Matrix, John (Phuket)
Subject: RE: PREVENTIVE AND CORRECTIVE ACTIONS / FOOBAR

    [1] => From: Black, Jack (LA)
Sent: Monday, October 28, 2013 6:36 PM
To: George, Jackson (London); DCS.CC.DARWIN (Australia)
Cc: Bar, Foo (Istanbul); Ex, Reg (Istanbul); Smith, John (Istanbul); Rambo,
John J. (Gaziantep); Matrix, John (Phuket)
Subject: RE: PREVENTIVE AND CORRECTIVE ACTIONS / FOOBAR

)
https://ideone.com/Xj6aaF
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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