validation avoid bad data. | C# Online Compiler

validation avoid bad data. by sampath kumar

using System;
using System.Text.RegularExpressions;
					
public class Program
{
	public static void Main()
	{
		Console.WriteLine("Hello World");
		string ss = "sam test$";
		if (!Regex.IsMatch(ss, @"^[a-zA-Z0-9, ]*$"))
		{
		   Console.WriteLine("bad data");
		}
	}
}

 
using System;
using System.Text.RegularExpressions;
                    
public class Program
{
    public static void Main()
    {
        Console.WriteLine("Hello World");
        string ss = "sam test$";
        if (!Regex.IsMatch(ss, @"^[a-zA-Z0-9, ]*$"))
        {
           Console.WriteLine("bad data");
        }
    }
}

UnParsing Demo to show nullable int, FileInfo, DirectoryInfo and DateTime format in v2.7+
--p2 "C:\my long whitespace path\file space.txt" --p4 C:\my long whitespace path\file space.txt --p5 C:\my long\whitespace path\ --size 0 --start "06/21/2025 15:30:20"

Last Run:	3:30:20 pm
Compile:	0.012s
Execute:	0.08s
Memory:	7.59Mb
CPU:	0.092s

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