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  1. <?php
  2.  
  3. $text= "[X] Hello [Y] World [Z]";
  4. $outputs = preg_replace('/\[[[:alnum:]]{1,5}]$/', '', $text);
  5. echo trim($outputs);
Success #stdin #stdout 0.01s 52488KB
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Standard input is empty
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[X] Hello [Y] World
https://ideone.com/NvXEYe
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
secret

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