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void check_email() { int flag1 = 0;//Will change as soon as we find an error int flag2 = 0;//Will change once we get to @ char tav = NULL; cout<<"Enter email"<<endl; cin>>tav; //getchar(); while (tav != ' ') { if ((tav >= 'a' && tav <= 'z') || (tav >= 'A' && tav <= 'Z') || (tav >= '0' && tav <= '9') || (tav == '@') || (tav == '.') || (tav == '_'))//Check that it was OK { flag1 = 0; flag2 = 1; if (flag2 == 1) { cin>>tav; if ((tav >= 'a' && tav <= 'z') || (tav >= 'A' && tav <= 'Z') || (tav >= '0' && tav <= '9') || (tav == '.')) { flag1 = 0; } } } else { flag1 = 1; //An error was found cout<<"Try again : your email address is not correct"<<endl; cin>>tav; getchar(); } } cout<<"Your email address is correct"<<endl; }
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