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  1. <?php
  2.  
  3. echo preg_replace("/(\d{1,2})\.(\d{1,2})/","$1:$2","18.00/23.00");
Success #stdin #stdout 0.01s 52488KB
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Standard input is empty
stdout
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18:00/23:00
https://ideone.com/5croFf
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

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