How to use Try, Catch, Throw?

[ribohe94]

Hi!, i've been researching a bit about this topic but it's been a little hard for me to learn how to use the try catch and throw.

I want to validate a value entered by a user, in this case his/her ID, and i want to validate if the values entered are all numbers

string ID;

cout<<"Enter your ID"<<endl;
cin>>ID;

So if the user tipes a letter it would say:

cout<<"invalid ID please try again"<<endl;

I just want a simple example so i can learn how to use it, thanks in advance

[Computergeek01]

For what you're doing here you're better off using the cctype header: http://www.cplusplus.com/reference/clibrary/cctype/

Exceptions are more for error handling.