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@ 2018-03-13T12:36:28Z

<?php

$string = 'bar';
$matches = [];

preg_match('~(?|foo(*:1)
               |bar(*:2)
               |baz(*:3))~x', $string, $matches);

var_dump($matches);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
preg_match: documentation ( source)

preferences:dark modelive previewkey bindings

131.76 ms | 405 KiB | 5 Q