$search = array ("'<script[^>]*?>.*?</script>'si", // 去掉 JavaScript

"'<[\/\!]*?[^<>]*?>'si", // 去掉 HTML 标记

"'([\r\n])[\s]+'",// 去掉空白字符

"'&(quot|#34)'i",// 替换 HTML 实体

"'&(amp|#38)'i",

"'&(lt|#60)'i",

"'&(gt|#62)'i",

"'&(nbsp|#160)'i"

) // 作为 PHP 代码运行

$replace = array ("","","\\1","\"","&","<",">"," ")

$html = preg_replace($search, $replace, $html)

顶

import java.util.regex.Pattern

/**

* <p>

* Title: HTML相关的正则表达式工具类

* </p>

* <p>

* Description: 包括过滤HTML标记，转换HTML标记，替换特定HTML标记

* </p>

* <p>

* Copyright: Copyright (c) 2006

* </p>

*

* @author hejian

* @version 1.0

* @createtime 2006-10-16

*/

public class HtmlRegexpUtil {

private final static String regxpForHtml = "<([^>]*)>"// 过滤所有以<开头以>结尾的标签

private final static String regxpForImgTag = "<\\s*img\\s+([^>]*)\\s*>"// 找出IMG标签

private final static String regxpForImaTagSrcAttrib = "src=\"([^\"]+)\""// 找出IMG标签的SRC属性

/**

*

*/

public HtmlRegexpUtil() {

// TODO Auto-generated constructor stub

}

/**

*

* 基本功能：替换标记以正常显示

* <p>

*

* @param input

* @return String

*/

public String replaceTag(String input) {

if (!hasSpecialChars(input)) {

return input

}

StringBuffer filtered = new StringBuffer(input.length())

char c

for (int i = 0i <= input.length() - 1i++) {

c = input.charAt(i)

switch (c) {

case '<':

filtered.append("<")

break

case '>':

filtered.append(">")

break

case '"':

filtered.append(""")

break

case '&':

filtered.append("&")

break

default:

filtered.append(c)

}

}

return (filtered.toString())

}

/**

*

* 基本功能：判断标记是否存在

* <p>

*

* @param input

* @return boolean

*/

public boolean hasSpecialChars(String input) {

boolean flag = false

if ((input != null) &&(input.length() >0)) {

char c

for (int i = 0i <= input.length() - 1i++) {

c = input.charAt(i)

switch (c) {

case '>':

flag = true

break

case '<':

flag = true

break

case '"':

flag = true

break

case '&':

flag = true

break

}

}

}

return flag

}

/**

*

* 基本功能：过滤所有以"<"开头以">"结尾的标签

* <p>

*

* @param str

* @return String

*/

public static String filterHtml(String str) {

Pattern pattern = Pattern.compile(regxpForHtml)

Matcher matcher = pattern.matcher(str)

StringBuffer sb = new StringBuffer()

boolean result1 = matcher.find()

while (result1) {

matcher.appendReplacement(sb, "")

result1 = matcher.find()

}

matcher.appendTail(sb)

return sb.toString()

}

/**

*

* 基本功能：过滤指定标签

* <p>

*

* @param str

* @param tag

*指定标签

* @return String

*/

public static String fiterHtmlTag(String str, String tag) {

String regxp = "<\\s*" + tag + "\\s+([^>]*)\\s*>"

Pattern pattern = Pattern.compile(regxp)

Matcher matcher = pattern.matcher(str)

StringBuffer sb = new StringBuffer()

boolean result1 = matcher.find()

while (result1) {

matcher.appendReplacement(sb, "")

result1 = matcher.find()

}

matcher.appendTail(sb)

return sb.toString()

}

/**

*

* 基本功能：替换指定的标签

* <p>

*

* @param str

* @param beforeTag

*要替换的标签

* @param tagAttrib

*要替换的标签属性值

* @param startTag

*新标签开始标记

* @param endTag

*新标签结束标记

* @return String

* @如：替换img标签的src属性值为[img]属性值[/img]

*/

public static String replaceHtmlTag(String str, String beforeTag,

String tagAttrib, String startTag, String endTag) {

String regxpForTag = "<\\s*" + beforeTag + "\\s+([^>]*)\\s*>"

String regxpForTagAttrib = tagAttrib + "=\"([^\"]+)\""

Pattern patternForTag = Pattern.compile(regxpForTag)

Pattern patternForAttrib = Pattern.compile(regxpForTagAttrib)

Matcher matcherForTag = patternForTag.matcher(str)

StringBuffer sb = new StringBuffer()

boolean result = matcherForTag.find()

while (result) {

StringBuffer sbreplace = new StringBuffer()

Matcher matcherForAttrib = patternForAttrib.matcher(matcherForTag

.group(1))

if (matcherForAttrib.find()) {

matcherForAttrib.appendReplacement(sbreplace, startTag

+ matcherForAttrib.group(1) + endTag)

}

matcherForTag.appendReplacement(sb, sbreplace.toString())

result = matcherForTag.find()

}

matcherForTag.appendTail(sb)

return sb.toString()

}

}

/// <Header>/// 去除 HTML tag

/// </Header>

/// <param name="HTML">源</param>

/// <returns>结果</returns> public static string StripHTML(string HTML) //google "StripHTML" 得到{ string[] Regexs =

{

@"<script[^>]*?>.*?</script>",

@"<(\/\s*)?!?((\w+:)?\w+)(\w+(\s*=?\s*(([""'])(\\[""'tbnr]|[^\7])*?\7|\w+)|.{0})|\s)*?(\/\s*)?>",

@"([\r\n])[\s]+",

@"&(quot|#34)",

@"&(amp|#38)",

@"&(lt|#60)",

@"&(gt|#62)",

@"&(nbsp|#160)",

@"&(iexcl|#161)",

@"&(cent|#162)",

@"&(pound|#163)",

@"&(copy|#169)",

@"(\d+)",

@"-->",

@"<!--.*\n"

}

string[] Replaces =

{

"",

"",

"",

"\"",

"&",

"<",

">",

" ",

"\xa1", //chr(161),"\xa2", //chr(162),"\xa3", //chr(163),"\xa9", //chr(169),"",

"\r\n",

""

}

string s = HTML

for (int i = 0i <Regexs.Lengthi++)

{

s = new Regex(Regexs[i], RegexOptions.Multiline | RegexOptions.IgnoreCase).Replace(s, Replaces[i])

}

s.Replace("<", "")

s.Replace(">", "")

s.Replace("\r\n", "")

return s

}

}

2、可以直接复制到txt，然后保存成为.html，在浏览器中设置即可！