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  1. <?php
  2.  
  3. $re = '~([^][]+)\[([^][]*)]~'; 
  4. $str = "word[val1|val2|val3]"; 
  5. preg_match($re, $str, $matches);
  6. echo $matches[1]. "\n" . $matches[2];
Success #stdin #stdout 0.03s 52480KB
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stdin
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Standard input is empty
stdout
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word
val1|val2|val3
https://ideone.com/O3E1aX
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

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