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  1. <?php
  2.  
  3. $string = 'привет как дела';
  4. $patterns = '/[пк]/u';
  5. $replacements = 'р';
  6. echo preg_replace($patterns, $replacements, $string);
Success #stdin #stdout 0.02s 24448KB
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Standard input is empty
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рривет рар дела
https://ideone.com/IozVx5
language:
PHP (php 7.3.5)
created:
5 years ago
visibility:
public

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