我正在使用这个:$t="#hashtag#goodhash_tagunitedstates#l33tthis";$queryVariable="";if(preg_match_all('/(^|\s)(#\w+)/',$t,$arrHashTags)>0){array_filter($arrHashTags);array_unique($arrHashTags);$count=count($arrHashTags[2]);if($count>1){$counter=1;foreach($arrHashTags[2]as$strHashTag){if(preg_match('/#\d*[