golang Html 正则

原文链接：http://outofmemory.cn/code-snippet/2092/usage-golang-regular-expression-regexp-quchu-HTML-CSS-SCRIPT-code-jin-maintain-page-wenzi

package main  

import (  
    "fmt""io/ioutil""net/http""regexp""strings"  
)  

func main(){  
    resp, err := http.Get("http://www.baidu.com"  
    // resp,err := http.Get("http://www.163.com")  
    if!= nil  
        fmtPrintln"http get error."  
    }  
    defer respBodyClose  
    body ioutilReadAllresp  
    "http read error"  

    src stringbody  

    //将HTML标签全转换成小写  
    re _  regexpCompile"\\<[\\S\\s]+?\\>"  
    src = reReplaceAllStringFuncsrc stringsToLower//去除STYLE  "\\<style[\\S\\s]+?\\</style\\>"ReplaceAllString ""//去除SCRIPT  "\\<script[\\S\\s]+?\\</script\\>"//去除所有尖括号内的HTML代码，并换成换行符  "\n"//去除连续的换行符  "\\s{2,}"  

    fmtstringsTrimSpace))}