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<?php $str = '#blitz na subida do alfabarra blitz'; $words = array("subida", " de"," do", " da", "em", " na", " no", "blitz"); $words = array_map('trim', $words); $words = array_map('preg_quote', $words); $str = preg_replace('/\b[^#](?:' . implode('|', $words) . ')\b/', '', $str); echo $str;
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