using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^[a-z\d+]\.(\d+)?\.?(\d+)?(\s\(.*\)\s)?\s+";
string input = @"
c.2 Employed population below international poverty line, by sex and age (%) Age: 15+
b.1 Employed population below international poverty line, by sex and age (%) Age: 15+
a.1 Employed population below international poverty line, by sex and age (%) Age: 15+
1. Employed population below international poverty line, by sex and age (%) Age: 15+
1.2 Employed population below international poverty line, by sex and age (%) Age: 15+
1.1.1 Employed population below international poverty line, by sex and age (%) Age: 15+
5.6.2 (S.1.C.1) Employed population below international poverty line, by sex and age (%) Age: 15+
5.6.2 (S.3) Employed population below international poverty line, by sex and age (%) Age: 15+
5.6.2 (S.4.C.13) Employed population below international poverty line, by sex and age (%) Age: 15+";
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