PHP processing method for filtering special symbols of WeChat nicknames

Question

preg_replace("/[\x{1F600}-\x{1F64F}\x{1F300}-\x{1F5FF}\x{1F680}-\x{1F6FF}\x{2600}-\x{ 26FF}\x{2700}-\x{27BF}]/u","","This is the nickname")

https://xmy.xingzs.top/

Answer 1

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