using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?<=<a href=\"")([^""]*)-([^&""]*)(?=\.html\"">)";
string substitution = @"$1_$2";
string input = @"<div id=""breadcrumb-section"">
<ol id=""breadcrumbs"">
<li class=""first"">
<span>
<a href=""index.html"">Technologies</a>
</span>
</li>
<li>
<span>
<a href=""Some-Technologies-Documentation_218464400.html"">Some Technologies Documentation</a>
</span>
</li>
<li>
<span>
<a href=""Some-Other-Documentation_268370090.html"">Some Other Documentation</a>
</span>
</li>
<li>
<span>
<a href=""Another-Documentation_268370112.html"">Another Documentation</a>
</span>
</li>
</ol>
</div>";
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