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  1. <?php
  2.  
  3. $str = '1 бла-бла-бла 2 бла-бла-бла 3 бла-бла-бла 123 бла-бла-бла';
  4. $result = preg_replace('/(\d+)/', '<br>$1', $str);
  5.  
  6. echo $result;
Success #stdin #stdout 0.01s 82944KB
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stdin
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Standard input is empty
stdout
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<br>1 бла-бла-бла <br>2 бла-бла-бла <br>3 бла-бла-бла <br>123 бла-бла-бла
https://ideone.com/5iOjAx
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
secret

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