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How Can I strip HTML from Text in .NET?

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爱一瞬间的悲伤
爱一瞬间的悲伤 2020-12-16 02:20

I have an asp.net web page that has a TinyMCE box. Users can format text and send the HTML to be stored in a database.

On the server, I would like to take strip the h

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  • 一个人的身影
    2020-12-16 02:40

    I downloaded the HtmlAgilityPack and created this function:

    string StripHtml(string html)
{
    // create whitespace between html elements, so that words do not run together
    html = html.Replace(">","> ");

    // parse html
    var doc = new HtmlAgilityPack.HtmlDocument();   
    doc.LoadHtml(html);

    // strip html decoded text from html
    string text = HttpUtility.HtmlDecode(doc.DocumentNode.InnerText);   

    // replace all whitespace with a single space and remove leading and trailing whitespace
    return Regex.Replace(text, @"\s+", " ").Trim();
}
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  • 南方客
    2020-12-16 02:41

    You can use HTQL COM, and query the source with a query: <body> &tx;

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  • 难免孤独
    2020-12-16 02:51

    Take a look at this Strip HTML tags from a string using regular expressions

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  • 南笙
    2020-12-16 02:52

    You could:

    • Use a plain old TEXTAREA (styled for height/width/font/etc.) rather than TinyMCE.
    • Use TinyMCE's built-in configuration options for stripping unwanted HTML.
    • Use HtmlDecode(RegEx.Replace(mystring, "<[^>]+>", "")) on the server.
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  • 悲哀的现实
    2020-12-16 02:52

    As you may have malformed HTML in the system: BeautifulSoup or similar could be used.

    It is written in Python; I am not sure how it could be interfaced - using the .NET language IronPython?

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  • Happy的楠姐
    2020-12-16 02:57

    Here's Jeff Atwood's RefactorMe code link for his Sanitize HTML method

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