using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^\d+((,\d)?(-(\d+)?(,\d)?)?)?$";
string input = @"13,4
5,66876876
13,4-15,6
4-5
5
45
34,534
13,7-14
14-15,6
14-15,67
1,236
14,5-15
15-16,5
4,5-16,76
100,4
100,45
100,45-100,4
100,4-100,54
100,5-123323,5";
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