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<?php $needles = ['a','c','r','r']; $haystacks = ['carr','car','arc','ra','c','abc','do','aa','rr', 'rrr']; $result = []; foreach ($haystacks as $i => $haystack) { foreach ($needles as $needle) { $haystack = preg_replace("/$needle/", '', $haystack, 1); } if (!$haystack) { $result[] = $haystacks[$i]; } } var_export($result);
Output for rfc.property-hooks, git.master, git.master_jit
array ( 0 => 'carr', 1 => 'car', 2 => 'arc', 3 => 'ra', 4 => 'c', 5 => 'rr', )

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