using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(<!(--(?:[^-]|-(?!->))*?--)>)(?!((?!<%--)[\s\S])*?--%>)";
string substitution = @"<%$2%>";
string input = @"Condition: 1 : <!-- normal HTML comment -->
Codition: 2 <%-- normal JSP comment
<!-- inside html comment here -->
other comment stuff
<!-- another inside html comment here -->
--%>
Condition: 1 : <!-- normal HTML comment -->
";
Regex regex = new Regex(pattern);
string result = regex.Replace(input, substitution);
}
}
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