using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @" (?:
(?! in [ ] \d{4} )
[A-Za-z ]
)+
(
in [ ]
(?P<year> \d\d\d\d )
)?
\s?
(
in [ ]
(?P<country> [A-z]+ )
)?
";
string input = @"I am born in 2000 in hungary";
RegexOptions options = 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