using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^
Grade\s*=\s*(?P<grade>.+)
(?P<students>[\s\S]+?)
(?=^Grade|\Z)";
string input = @"School = Riverdale High
Grade = 1
Student number, Name
0, Phoebe
1, Rachel
Student number, Score
0, 3
1, 7
Grade = 2
Student number, Name
0, Angela
1, Tristan
2, Aurora
Student number, Score
0, 6
1, 3
2, 9";
RegexOptions options = RegexOptions.Multiline | RegexOptions.IgnorePatternWhitespace;
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