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Asked: 2026-05-13T19:37:05+00:00

How do I solve the problem below? I’m creating a simple content management system,

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How do I solve the problem below?

I’m creating a simple content management system, where there is a HTML template with specific markup that denotes where content should be:

<html><head></head><body><!-- #Editable "Body1" --><p>etc etc</p><!-- #Editable "Extra" --></body></html>

Separate from this, there is content in a database field that looks a little like this:

<!-- #BeginEditable "Body1" -->This is Test Text<!-- #EndEditable --><!-- #BeginEditable "Extra" -->This is more test text<!-- #EndEditable -->

As you can guess I need to merge the two, that is, replacing

<!-- #Editable "Body1" -->

with:

This is Test Text

I’ve begun the code here. But I’m having problems using the Regex Replace function that should be located at the very bottom of that For/Each….

    //Html Template
    string html = "<html><head></head><body><!-- #Editable \"Body1\" --><p>etc etc</p><!-- #Editable \"Extra\" --></body></html>";        

    //Regions that need to be put in the Html Template
    string regions = "<!-- #BeginEditable \"Body1\" -->This is Test Text<!-- #EndEditable --><!-- #BeginEditable \"Extra\" -->This is more test text<!-- #EndEditable -->";

    //Create a Regex to only extract what's between the 'Body' tag
    Regex oRegex = new Regex("<body.*?>(.*?)</body>", RegexOptions.Multiline);

    //Get only the 'Body' of the html template
    string body = oRegex.Match(html).Groups[1].Value.ToString();

    // Regex to find sections inside the 'Body' that need replacing with what's in the string 'regions'
    Regex oRegex1 = new Regex("<!-- #Editable \"(.*?)\"[^>]*>",RegexOptions.Multiline);
    MatchCollection matches = oRegex1.Matches(body);

    // Locate section titles i.e. Body1, Extra
    foreach (Match match in matches)
    {
        string title = oRegex1.Match(match.ToString()).Groups[1].ToString();
        Regex oRegex2 = new Regex("<!-- #BeginEditable \"" + title + "\"[^>]*>(.*?)<!-- #EndEditable [^>]*>", RegexOptions.Multiline);
        //
        //
        // Replace the 'Body' sections with whats in the 'regions' string cross referencing the titles i.e. Body1, Extra
        //
        //
        //
    }
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1 Answer

  1. Editorial Team

    Not optimized for performance (or anything else) but it’s simple and works :

    var html = "<html><head></head><body><!-- #Editable \"Body1\" --><p>etc etc</p><!-- #Editable \"Extra\" --></body></html>";
var regions = "<!-- #BeginEditable \"Body1\" -->This is Test Text<!-- #EndEditable --><!-- #BeginEditable \"Extra\" -->This is more test text<!-- #EndEditable -->";
var regionRegex = new Regex(@"<!-- #BeginEditable ""(?<Name>\w+)"" -->(?<Content>.*?)<!-- #EndEditable -->", RegexOptions.Multiline);
var regionMatches = regionRegex.Matches(regions);

foreach (Match regionMatch in regionMatches)
{
    var regionName = regionMatch.Groups["Name"].Value;
    var regionContent = regionMatch.Groups["Content"].Value;
    html = html.Replace(string.Format(@"<!-- #Editable ""{0}"" -->", regionName), regionContent);
}
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