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  1. <?php
  2. $re = '/(.+)\n\n/'; 
  3. $str = "first string\n\nsecond string\n\nother strings bla bla bla"; 
  4. if (preg_match($re, $str, $matches))
  5.    echo $matches[1];
  6. else
  7.    echo "nope";
  8. ?>
  9.  
Success #stdin #stdout 0.01s 20520KB
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first string
https://ideone.com/wYC4LW
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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