ASP删除img标签的style属性只保留src的正则函数

asp去除img标签style属性只保留src

'功能:将img代码格式化为<img src="xxx" />格式,只保留src属性，去掉img标签的其他属性。

function fiximg(sstring)
  
    dim sreallydo, regex, ireallydo
    dim omatches, cmatch
    dim tstarttime, tendtime
    if isnull(sstring) then
        fiximg = ""
        exit function
    end if
    sreallydo = sstring
    on error resume next
    sreallydo = replace(sreallydo, vbcr, " ")
    sreallydo = replace(sreallydo, vblf, " ")
    sreallydo = replace(sreallydo, vbtab, " ")
    sreallydo = replace(sreallydo, "<img ", vbcrlf & "<img ", 1, -1, 1)
    sreallydo = replace(sreallydo, "/>", " />", 1, -1, 1)
    sreallydo = replaceall(sreallydo, "= ", "=", true)
    sreallydo = replaceall(sreallydo, "> ", ">", true)
    sreallydo = replace(sreallydo, "><", ">" & vbcrlf & "<")
    sreallydo = trim(sreallydo)
    on error goto 0
    set regex = new regexp
    regex.ignorecase = true
    regex.global = true
    '//去除onclick,onload等脚本
    regex.pattern = "\s[on].+?=([\""|\'])(.*?)\1"
    sreallydo = regex.replace(sreallydo, "")
    '//将src不带引号的图片地址加上引号
    regex.pattern = "<img.*?\ssrc=([^\""\'\s][^\""\'\s>]*).*?>"
    sreallydo = regex.replace(sreallydo, "<img src=""$1"" />")
    '//正则匹配图片src地址
    regex.pattern = "<img.*?\ssrc=([\""\'])([^\""\']+?)\1.*?>"
    sreallydo = regex.replace(sreallydo, "<img src=""$2"" />")
    fiximg = sreallydo
end function

上面的代码确实写得不错，原理也可以参考下面的代码

js过滤img里style属性

var str = "<img style='ddddddddd'>"
str = str.replace(/<img[^>]*>/gi, function (match, capture) {
return match.replace(/style\s*?=\s*?([‘"])[\s\s]*?\1/ig, '')
}))
console.log(str)

不是替换直接通过js设置

var is=document.images;
for(var i=0,len=is.length;i<len;i++){
is[i].style.csstext=""
}

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