Two ways to distinguish Chinese and English characters (regular and charCodeAt())_javascript skills

For example, the Vanadium form validation plug-in that I introduced earlier is used this time. Because there are no 2-character words in the E text, you have to expand it yourself to distinguish Chinese and English characters. This article will introduce two ways to distinguish Chinese and English characters. Method: Use regular and charCodeAt methods to distinguish Chinese and English characters.

<meta charset="gb2312"> <title>Two methods to distinguish Chinese and English characters: regular and charCodeAt() method@Mr.Think</title> <style> /*reset css*/ body{font-size:0.8em;letter-spacing:1px;font-family:5fae8f6f96c59ed1;line-height:1.8em} div,h2,p,fieldset,legend,form,textarea,span,em,sub{margin:0;padding:0} input{font:12px/1.5 tahoma,arial,sans-serif;vertical-align:middle} h1{font-size:1em;font-weight:normal} h1 a{background:#047;padding:2px 3px;color:#fff;text-decoration:none} h1 a:hover{background:#a40000;color:#fff;text-decoration:underline} h3{color:#888;font-weight:bold;font-size:1em;margin:1em auto;position:relative} /*demo css*/ fieldset{padding:20px;border:1px solid #ccc;width:720px} fieldset legend{background:#a40000;color:#fff;text-align:center;padding:0 8px;margin-left:25px} fieldset label{display:block;padding-left:25px;line-height:40px} fieldset label input{padding:2px 3px;border:1px solid #888;width:200px;height:16px} fieldset label input:focus{border:1px solid blue} </style> <meta name="author" content="Mr.Think">