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  1. <?php
  2.  
  3. $str = '1 h 19 min';
  4. $str = preg_replace('/(?<=\d) *(?=\D)/', '', $str);
  5.  
  6. echo $str;
Success #stdin #stdout 0.02s 13064KB
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Standard input is empty
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1h 19min
https://ideone.com/7xtYx
language:
PHP (php 7.3.5)
created:
13 years ago
visibility:
public

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