Get Gravatar Image : Image « 2D Graphics « C# / C Sharp

Get Gravatar Image


using System.Text.RegularExpressions;
using System;
using System.Security.Cryptography;
using System.Text;
public class Base
    public static string GetGravatarImage(string email, int size)
        if (isValidEmail(email))
            return string.Format("{0}?s={1}", GetMd5Hash(email), size.ToString());
            return "";
    public static Guid GetMd5Hash(string inString)
        var unicodeEncoding = new UnicodeEncoding();
        var message = unicodeEncoding.GetBytes(inString);

        MD5 hashString = new MD5CryptoServiceProvider();

        return new Guid(hashString.ComputeHash(message));
    private static bool isValidEmail(string email)
        Regex r = new Regex(@"^([0-9a-zA-Z]([-\.\w]*[0-9a-zA-Z])*@([0-9a-zA-Z][-\w]*[0-9a-zA-Z]\.)+[a-zA-Z]{2,9})$");

        if (!string.IsNullOrEmpty(email))
            return r.IsMatch(email);
            return false;


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