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  1. <?php
  2.  
  3. $re = '~(?=(?:\S*[^\w\s]){2,})\S+~'; 
  4. $str = "you he==rt are my heart 4++5=9 9-8===1 hyphenated-word"; 
  5. preg_match_all($re, $str, $matches);
  6. print_r($matches[0]);
Success #stdin #stdout 0.04s 52480KB
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stdin
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Standard input is empty
stdout
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Array
(
    [0] => he==rt
    [1] => 4++5=9
    [2] => 9-8===1
)
https://ideone.com/Z3SjXu
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
secret

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