remove ONE duplicate html tag only

Question

I already searched a long time but I didnt find an answer. I hope you can help me. So I want to remove one duplicate HTML tag for example:

I have a text like this: <BIG><BIG><BIG>Text</BIG></BIG></BIG>

and if I press a button it should be something like this: <BIG><BIG>Text</BIG></BIG>

I already tried RegExbut it will delete all HTML Tags. I also found the HTML Agility Pack but I dont know how to do it.

The RegEx I tried:

public static string RemoveHTML(string source)
{
return Regex.Replace(source, "<.*?>", string.Empty);
}

http://stackoverflow.com/questions/1732348/regex-match-open-tags-except-xhtml-self-contained-tags/1732454#1732454 — janhartmann, Dec 19 '16 at 13:01

mybirthname · Accepted Answer · 2016-12-19T13:05:45.730

1

Here how to do it with HtmlAgility pack. Full example in dotNetFiddle

HtmlDocument doc = new HtmlDocument();
doc.LoadHtml("<BIG><BIG><BIG>Text</BIG></BIG></BIG>");

var result = doc.DocumentNode.Descendants("BIG").FirstOrDefault();

if(result != null)
{
    doc.DocumentNode.RemoveChild(result, true);
}

This should be enough. You are finding the first element big and remove it from the document without removing his children(this is done by true parameter in RemoveChild)

edited Dec 19 '16 at 13:05

answered Dec 19 '16 at 12:59

mybirthname

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@nicoh ask one question per post this is policy with SO. You can ask more detail question and what exactly is the problem now with already my solution. I don't know what you to do in this case and what code return this. Probably you don't have any childs and you are trying to remove it. – mybirthname Dec 19 '16 at 14:08

remove ONE duplicate html tag only

1 Answers1