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  1. <?php
  2. preg_match('/[@a]/', '@', $matches);
  3. var_dump($matches);
Success #stdin #stdout 0.01s 20568KB
comments (?)
stdin 
Standard input is empty
stdout 
array(1) {
  [0]=>
  string(1) "@"
}
https://ideone.com/fEIKWc
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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