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  1. <?php
  2. $msg = "Pancake, Waffle -400";
  3. $regex = '~-?\d+~';
  4. preg_match($regex, $msg, $match);
  5. print_r($match);
  6. ?>
Success #stdin #stdout 0.03s 52480KB
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stdin
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Standard input is empty
stdout
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Array
(
    [0] => -400
)
https://ideone.com/G3nvR6
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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