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  1. <?php
  2.  
  3. $s = "This is     my text.";
  4. echo preg_replace('~(?<=\s)\s~', '&nbsp;', $s);
  5.  
Success #stdin #stdout 0.01s 82944KB
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stdin
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Standard input is empty
stdout
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This is &nbsp;&nbsp;&nbsp;&nbsp;my text.
https://ideone.com/IwSEzL
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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