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@ 2017-06-20T03:23:08Z

<?php
    
$haystack = array(
  'Part1',
  'Part2',
  'Part3',
  'Part4'
);

$matches = preg_grep('/(?!Part)\d/', $haystack);

print_r($matches);

Output
Performance
VLD
References
Branches

print_r: documentation ( source)
preg_grep: documentation ( source)

preferences:dark modelive preview

54.34 ms | 402 KiB | 5 Q