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  1. <?php
  2.  
  3. $query = 'Яблоко';
  4. $query  = preg_quote($query, '/');
  5.  
  6. echo preg_replace("/\b({$query})\b/iu", '<b>$1</b>', 'barяблоко яблокоbar яблоко');
Success #stdin #stdout 0.02s 24192KB
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Standard input is empty
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barяблоко яблокоbar <b>яблоко</b>
https://ideone.com/dFuvUu
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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