Thread: checking if input is a number ?

Hello all,

Can someone tell me how to check what a user entered is actually a number and not a character ?

Thanks in advance.

If x is an integer, (cin >> x) evaluates to false if the input is non-numeric. Example:

[code]
int x;
cout << "Enter a number: ";
if(cin >> x)
{
cout << "You just input the number " << x << endl;
}
else
{
cout << "You didn't enter a proper number.\n";
}