using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?x)
\d+ # at least one digit
\. # a period
\s # a space
[^\d]+ # not a digit, 1 or more of them
\s+ # a space, 1 or more of them
";
string input = @" 1. Which is your primary browser for development 2. Which of the following technologies have you made use of? 2. Which of the following technologies have you made use of? 3. How old ";
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