using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(<(\w+)>)\s*(.*?)\s*(<\/\2>)";
string substitution = @"\1\3\4";
string input = @"<h1>
<page num=""1"" />
<b><i>Britons United By Lost Hope, If Nothing Else</i></b>
</h1>
<h2>
<b><i>Many Feel Brexit Has Democracy on Trial</i></b>
</h2>
<h3>
<page num=""18"" />
<b><i>Britons Are Feeling United by a Lost Hope in Democracy, if Nothing Else</i></b>
</h3>
<fig>
<img src=""images/img_103-5.jpg"" width=""442"" height=""261"" alt="" />
<fc>Ann Dwyer, Thomas Dunn</fc>
<cr>AMANDA REYNOLDS OF PLUME PHOTOGRAPHY</cr>
</fig>
</break>";
RegexOptions options = RegexOptions.Multiline;
Regex regex = new Regex(pattern, options);
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