C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
					
public class Program
{
	public static void Main()
	{
		string text = "f810gtvC8/z1buiRPn9Y/IOjJLDtcbCyXz6SrUCpSVRxkAeaUso3uCDxfNrpQpHvvlujeIlNFtKQdGhGlLgSrhOY V89seiZBl2j0NFGKOJGeDnOH4OEhR1AR lkQ xrQBF32gPDhcAWiXgtoLMPrVdRRhPe35d yvLIvjhLo2hTPEux/GGakt1OsbGrNC48V wIDRAS7HRXge/V 0GDL3hBLSJ9hcUTH8m6PcRy919PHcXJGcSs0V2mH0gw5I15X0c5DZNJ0lziV7y4qBzMSlDpZ4KINH0l4NzGZAOLKCfVaA GMdzNxCUMrFrgVSDqBGgKRvF8ZpyaKsOdMdJtIg==";
		Console.WriteLine(Convert.FromBase64String(text).Length);
	}
}

 
using System;
                    
public class Program
{
    public static void Main()
    {
        string text = "f810gtvC8/z1buiRPn9Y/IOjJLDtcbCyXz6SrUCpSVRxkAeaUso3uCDxfNrpQpHvvlujeIlNFtKQdGhGlLgSrhOY V89seiZBl2j0NFGKOJGeDnOH4OEhR1AR lkQ xrQBF32gPDhcAWiXgtoLMPrVdRRhPe35d yvLIvjhLo2hTPEux/GGakt1OsbGrNC48V wIDRAS7HRXge/V 0GDL3hBLSJ9hcUTH8m6PcRy919PHcXJGcSs0V2mH0gw5I15X0c5DZNJ0lziV7y4qBzMSlDpZ4KINH0l4NzGZAOLKCfVaA GMdzNxCUMrFrgVSDqBGgKRvF8ZpyaKsOdMdJtIg==";
        Console.WriteLine(Convert.FromBase64String(text).Length);
    }
}

The Expression: (^50[0-9]{10}$)|(^10[0-9]{12}$)|(^87[0-9]{9}$)
10196030860153

Last Run:	11:01:58 am
Compile:	0.217s
Execute:	0.003s
Memory:	8kb
CPU:	0.016s

View IL Code