判断是否是中英文input+js

2010-05-19 15:32:38 by 【6yang】, 309 visits, 收藏 | 返回

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>

<body>
<script language="javascript">
 function isChn(str){
  
      var reg = /^[u4E00-u9FA5]+$/;
      if(!reg.test(str)){
    document.getElementById("isChinese").innerHTML='您输入的不对';
  return false;
      }
   else{
    document.getElementById("isChinese").innerHTML='';
      return true;
   }
}
</script>
<form action="#" method="post">
 <input type="text"  oninput="isChn(this.value)" ><span id="isChinese"></span>
</form>
</body>
</html>

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