using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"<!--(?!\s*?end-readmore-item\s*-->)[\s\S]*?-->";
string input = @"<div class=""collapsible-item-body"" data-defaulttext=""Further text"">Further
text</div>
<!-- end-readmore-item --></div>
</div>
<!-- -->
it only should match with <!-- --> but it's selecting everything except <!--
end-readmore-item -->
the usage of this is gonna be to remove all the HTML comments except <!--
end-readmore-item -->
<!-- Different comment -->
";
RegexOptions options = RegexOptions.Multiline;
foreach (Match m in Regex.Matches(input, pattern, options))
{
Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index);
}
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx