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  1. <?php
  2.  
  3. $str = "1  \r\n2";
  4. $new_str = preg_replace("/\s+/u", " ", $str);
  5. echo $new_str;
Success #stdin #stdout 0s 52488KB
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Standard input is empty
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1 2
https://ideone.com/rHLxbh
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

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