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  1. <?php
  2.  
  3. $tekst = "looooool";
  4. if (preg_match("/(.)\1/i", $tekst)) 
  5. 	echo "dziala";
  6. else
  7. 	echo "nie dziala";
  8.  
  9. ?>
Success #stdin #stdout 0.01s 24144KB
comments (?)
stdin 
Standard input is empty
stdout 
nie dziala
https://ideone.com/gWkx2F
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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