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  1. <?php
  2. $re = "#((\w)\\2{2})\\2+#"; 
  3. $str = "Hellooooo Louis, whaaaaaat's up pal?"; 
  4. $subst = "$1"; 
  5. $result = preg_replace($re, $subst, $str);
  6. echo $result;
Success #stdin #stdout 0.02s 24192KB
comments (?)
stdin 
Standard input is empty
stdout 
Hellooo Louis, whaaat's up pal?
https://ideone.com/mLz1Oq
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
secret

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