像
eval(function(E,I,A,D,J,K,L,H){function.....
的js
还原的方法就很简单了,那前面的 eval( 和后面的 ) 去掉:
<!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>代码还原</title>
</head>
<body>
<TEXTAREA NAME="tx1" ROWS="10" COLS="100"></TEXTAREA>
<SCRIPT type="text/javascript">
document.all.tx1.value =function(E,I,A,D,J,K,L,H){ ....
</SCRIPT>
</body>
</html>
<script language="javascript">
var o = "\x3c\x64\151\x76\x20\x63\154\141\x73\151\166\x3e";
alert(o.toString())
</script>
正则表达式 http://www.w3cfuns.com/portal.php?mod=topic&topicid=46
中国:\u4e2d\u56fd css:\4e2d\56fd
/// <summary> /// 字符编解码助手: /// ← /// → /// \u840c\u59b9\u7ffb\u7a97\u8868\u767d\u57fa\u60c5\u5916\u6cc4 /// </summary> public class AsciiHelper { /// <summary> /// 编码 /// </summary> /// <param name="value"></param> /// <returns></returns> public static string EncodeNonAsciiCharacters( string value) { StringBuilder sb = new StringBuilder(); foreach ( char c in value) { if (c > 127) { // This character is too big for ASCII string encodedValue = "\\u" + (( int )c).ToString( "x4" ); sb.Append(encodedValue); } else { sb.Append(c); } } return sb.ToString(); } /// <summary> /// 解码 /// </summary> /// <param name="value"></param> /// <returns></returns> public static string DecodeEncodedNonAsciiCharacters( string value) { return Regex.Replace( value, @"\\u(?<Value>[a-zA-Z0-9]{4})" , m => { return (( char ) int .Parse(m.Groups[ "Value" ].Value, NumberStyles.HexNumber)).ToString(); }); } } |
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