Validate a Character Input

Is there a way to validate a character like how we validate an integer using isdigit/


char code; int num;
cin >> code; // where here i enter a string, say ert instead of e.
cin >> num;

If i enter a string instead of just 1 character, the following statement will be skipped.
is there a possible way to validate a character input?
No. The two characters that you entered after 'e' remain in the input buffer and will be read next time you ask for input.
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