using System;

using System.IO;

using System.Text.RegularExpressions;

public class WalletUtils

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Console.WriteLine(isValidSolanaAddress("AAALJNEECdNsKpgg5DRpHsdfasdfXBdPPgGJLhngH2N6vNgK"));

        Console.WriteLine(isValidEVMAddress("ethereum:0x7CE4F92598C7eCAed583Ca884b8c023A19b22a0e@1"));

        Console.WriteLine(isValidEVMAddress("0xfD3684dF381CcB22557F309F2FA22a678f89D44D"));

        string illegal = "LONZO BALL-S01 #110_low.jpg";

        string regexSearch = new string(Path.GetInvalidFileNameChars()) + new string(Path.GetInvalidPathChars()) + "#" + " ";

        Console.WriteLine(regexSearch);

        Regex r = new Regex(string.Format("[{0}]", Regex.Escape(regexSearch)));

        illegal = r.Replace(illegal, "");

        Console.WriteLine(illegal);

    }

    public static bool isValidEVMAddress(string walletAddress)

    {

        //address = address.Replace("ethereum:", "");  // Remove ethereum keyword from address. MetaMask adds it to the QR code generated. 

        //Debug.Log("Cleaned address: " + address);

        ////string pattern = "/^0x[a-fA-F0-9]{40}$/";

        ////Regex rg = new Regex(pattern);

        ////return rg.IsMatch(address);

        //return address.Contains("0x");

​

        string cleanedAddress = cleanEthereumAddress(walletAddress);

        Console.WriteLine(cleanedAddress);

        //string pattern = @"^0x[0-9a-f]{40}$";

        string pattern = @"^0x[a-fA-F0-9]{40}$";

        Regex rg = new Regex(pattern);

        return rg.IsMatch(cleanedAddress);

    }

​

    /// <summary>

    /// Validates Solana address, does not check if it's in the curve

    /// </summary>

    /// <param name="walletAddress"></param>

    /// <returns></returns>

    public static bool isValidSolanaAddress(string walletAddress)

    {

        string pattern = @"[1-9A-HJ-NP-Za-km-z]{32,44}";

        Regex rg = new Regex(pattern);

        return rg.IsMatch(walletAddress);

    }

​

    /// <summary>

    /// Removes "ethereum:" identifier

    /// Removes trailing "@" symbol plus number added in MetaMask QR code

    /// </summary>

    /// <param name="walleAddress"></param>

    /// <returns></returns>

    public static string cleanEthereumAddress(string walleAddress)

    {

        string address = walleAddress.Replace("ethereum:", "");

        int idxAtSign = address.IndexOf('@');

        address = idxAtSign > 0 ? address.Substring(0, idxAtSign) : address;

        return address;

    }

}