標籤：name value oct meta htm orm class 驗證 nbsp
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title></head><body> <script src="http://apps.bdimg.com/libs/jquery/1.9.1/jquery.min.js" type="text/javascript"></script> <script type="text/javascript"> function subname() { var str = $("#input").val(); var han = /^[\u4e00-\u9fa5]+$/; if (str == ‘‘) { alert("請輸入漢字"); return false; }; if (!han.test(str)) { alert("不是漢字") return false; }; return true; }; </script> <form method="post" onsubmit="subname()"> <input type="text" id="input" value="" /> <button type="submit" id="btn">提交</button> </form></body></html>
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js驗證漢字Regex
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