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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                方法一: ~~~ <?php function br(){ echo '<br />'; } function is_email($email){ $has_at = strpos($email, "@"); $has_dot = strpos($email, "."); if($has_at && $has_dot){ return '郵箱地址格式正確!'; }else{ return '郵箱地址格式不正確!'; } } echo '郵箱地址 xrccc.com:'.is_email('xrccc.com'); br(); echo '郵箱地址 xrcc_bk@126.com:'.is_email('xrcc_bk@126.com'); ?> ~~~ 方法二: ~~~ function is_email($email) { $i_email = preg_match("/^[a-zA-Z]+@[a-zA-Z1-9]+\.[a-zA-Z]+$/", $email); if($i_email){ return '正確'; }else{ return '不正確'; } } echo is_email('xrccc.com'); br(); echo is_email('xrccbk@126.com'); ~~~
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