using System;
using System.Text.RegularExpressions;
using System.IO;
public class Test
{
public static void Main()
{
Console.WriteLine(IsName("D'Antonio, Patricia"));
}
public static bool IsName(string input)
{
if (string.IsNullOrEmpty(input)) return false;
if (Regex.IsMatch(input, @"^[A-Za-z0-9_']+\s?,\s?[A-Za-z0-9_']+"))
return true;
else
return false;
}
}
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