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  1. <?php
  2.  
  3. $str = "[[Rock music|rock]], [[blues]], [[soul music|soul]], [[pop music|pop]], [[Have a Little Faith (Joe Cocker album)|Have a Little Faith]] "; 
  4. $result = preg_replace('~\[\[(?:[^][|]+\|)?([^][|]+)]]~', "$1", $str);
  5. echo $result;
Success #stdin #stdout 0.02s 52432KB
comments (?)
stdin 
Standard input is empty
stdout 
rock, blues, soul, pop, Have a Little Faith
https://ideone.com/tPSrE8
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
secret

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