The example in this article describes the method of using simple regular js to verify the English and underline of Chinese characters. Share it with everyone for your reference, the details are as follows:
<!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=utf-8" />
<title>验证汉字</title>
</head>
<body>
<script type="text/javascript">
function reg_check_val(nickname){
var regex = new RegExp("^([\u4E00-\uFA29]|[\uE7C7-\uE7F3]|[a-zA-Z0-9_]){1,10}$");
var res = regex.test(nickname);
if(res==true){
alert("包含中英文字母或下划线");
return true;
}else{
alert("不包含中英文字母或下划线");
return false;
}
}
reg_check_val('php中文网');
</script>
</body>
</html>
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