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  1. <?php
  2. $str = "Save 20% on iPhone chargers...";
  3. if (preg_match_all('/\d+(?=%)/', $str, $match))
  4.    print_r($match[0]);
  5. ?>
Success #stdin #stdout 0.01s 20520KB
comments (?)
stdin 
Standard input is empty
stdout 
Array
(
    [0] => 20
)
https://ideone.com/FLKtE9
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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