using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"\[{2}(?:(?:(?!]{2})[^|])+\|)*((?:(?!]{2})[^|])+)]{2}";
string substitution = @"\1";
string input = @"including the [[Royal Danish Academy of Sciences and Letters|Danish Academy of Sciences]], [[Norwegian Academy of Science and Letters|Norwegian Academy of Sciences]], [[Russian Academy of Sciences]], and [[National Academy of Sciences|US National Academy of Sciences]].
including the Danish Academy of Sciences, Norwegian Academy of Sciences, Russian Academy of Sciences, and US National Academy of Sciences.";
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