using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"[^A-Z]+|(?:(?=[A-Za-z]*[a-z])\b[A-Za-z]+\b)|(?:\b[A-Z]+\b(?=[^a-z]+[A-Z])(?:[^a-z]*\b[A-Z]+\b)*\b)";
string input = @"This is a sentence WITH some capitalised WORDS
IN it AS well as
MULTILINING
";
foreach (Match m in Regex.Matches(input, pattern))
{
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