preg_replace("/[x{1F600}-x{1F64F}x{1F300}-x{1F5FF}x{1F680}-x{1F6FF}x{2600}-x{26FF}x{2700}-x{27BF }]/u","","C'est le surnom")
https://xmy.xingzs.top/
function filterSpecialChars($nickname) { $pattern = '/[^\p{L}\p{N}\s]/u'; $filteredNickname = preg_replace($pattern, '', $nickname); return $filteredNickname; }
$nickname = "微信昵称@#特殊字符"; $filteredNickname = filterSpecialChars($nickname); echo $filteredNickname; // 输出:微信昵称特殊字符