5burvtWK

1#include <cstdio>
2#include <cstring>
3#include <cstdlib>
4#include <iostream>
5
6class Mascara
7{
8 public:  
9
10void mascara(char *mail)
11{
12  //const char formato[]="@#######.###.##"; // @hotmail.com.br 
13  //const char formato[]="@#####.###.##"; // @terra.com.br 
14  //const char formato[]="@#####.###.##"; // @yahoo.com.br 
15  //const char formato[]="@#####.###"; // @gmail.com 
16  //const char formato[]="@#######.###"; // @hotmail.com 
17  const char formato[]="#############@#######.###"; // @hotmail.com  dessa forma só valida a quantidade de 13 digitos antes do @
18  char aux[100];
19  int i = 0;
20  std::cin>>mail;
21  while(*mail)
22     {
23        if(formato[i] != '#')
24        {
25         aux[i] = formato[i];
26         i++;
27        }
28          else  
29        {
30         aux[i] = *mail;
31          mail++;
32         i++;
33        }
34     }
35     aux[i] = 0;
36  std::cout<<"\n\tSeu email: "<<std::string(aux)<<"\n\n";
37}
38
39}masc;
40
41int main()
42{
43 char email[]="";
44  std::cout<<"\n\tDigite seu email: ";
45 masc.mascara(email);
46 /*
47 Digite seu email: jeancesar2010hotmailcom
48
49        Seu email: jeancesar2010@hotmail.com
50
51
52 */
53    return 0;
54}