using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?<=^|\n)(?P<spacer>[[:blank:]]*(?:\{[^{]*(?&spacer)[^}]*\}[[:blank:]]*)[[:blank:]]*|[[:blank:]]+)(\d+)\.(?&spacer)(?:([1-8])?([a-h])([1-8])([+-<>])([1-8]*)|([FSC])?([a-h])([1-8]))(?:(?&spacer)(?:([1-8])?([a-h])([1-8])([+-<>])([1-8]*)|([FSC])?([a-h])([1-8])))?(?&spacer)?(?=$|\n)";
string input = @" 1. a1 e1
2. a2 e2
3. a3 b4
4. a4 a5
5. Cb5 b4<
{~6. b4 Cb3~}
6. b4 Se3";
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