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  1. <?php
  2. $s = "world:region:bash";
  3. $p = "/:[^:]+$/";
  4. $r = '';
  5.  
  6. echo preg_replace($p, $r, $s);
Success #stdin #stdout 0.02s 13112KB
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Standard input is empty
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world:region
https://ideone.com/ybz3r
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
public

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