<?php $str = '#blitz na subida do alfabarra blitz'; $subpatterns = [ "subida", " de", " do", " da", "em", " na", " no", "blitz", ]; $subs = array_map( fn($v) => (str_starts_with($v, ' ') ? '' : ' ?\b(?<!#)') . preg_quote($v) . '\b', $subpatterns ); echo preg_replace( '~' . implode('|', $subs) . '~u', '', $str );
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