<?php $needles = ['a','c','r','r']; $haystacks = ['carr','car','arc','ra','c','abc','do','aa','rr', 'rrr', 'caca', 'cacao']; $regexes = array_map(fn($v) => "/$v/", $needles); var_export( array_filter( $haystacks, fn($hay) => !preg_replace($regexes, '', $hay, 1) ) );
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