using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"\d+\s*\.\s*([\w\W]*?)(?=[aA]\))";
string input = @"8. X-XIII asrlarda barpo etilgan inshootlar to‘g‘ri berilgan qatorni aniqlang.
1) Ismoil Somoniy maqbarasi, 2) Masjidi Kalon,
3) Namozgoh, 4) Minorayi Kalon, 5) Vobkent minorasi, 6) Ahmad Yassaviy maqbarasi, 7) Jarqo‘rg‘on minorasi, 8) Kaltaminor.
A) 1, 2, 3, 6, 7
B) 1, 3, 4, 5, 7
C) 1, 2, 4, 6, 8
D) 2, 3, 4, 6, 7";
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