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  1. <?php
  2.  
  3. $arTask = "Заявка: № 142898 от Аптека №Дн028 бла-бла-бла";
  4. if (preg_match_all('/№\s*\K\d{6,8}/iu', $arTask, $OUT)) {
  5.  print_r($OUT[0]);
  6. }
Success #stdin #stdout 0.02s 24228KB
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stdin
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Standard input is empty
stdout
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Array
(
    [0] => 142898
)
https://ideone.com/VSRwC9
language:
PHP (php 7.3.5)
created:
5 years ago
visibility:
secret

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