using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?!\d\.\d)(\w\.+)(?! )(\w?)";
string input = @"This is a sample text. Just 1.2 to test.To add a space after the dot...Okay.
I watched football.10 people played in 2 teams, my friend was player number 7. 20 minutes later the game ended with the score 2:1.Then I went home.";
RegexOptions options = RegexOptions.Multiline;
foreach (Match m in Regex.Matches(input, pattern, options))
{
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