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  1. <?php
  2.  
  3. $str = '#форум программистов #форум экономистов #форум
  4. текст текст текст текст текст текст
  5. текст текст';
  6.  
  7. $str = preg_replace('~^(?:#[^#]+?(?:[^#]+?)?)*\n~m', '', $str);
  8.  
  9. var_dump($str);
Success #stdin #stdout 0.01s 24452KB
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Standard input is empty
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string(87) "текст текст текст текст текст текст
текст текст"
https://ideone.com/J5QwQo
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

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