My helper function

[George_Churchill]

bool FBullCowGame::IsLowerCase(FString Word) const

{
if (Word.length() < 1) { return true; }

for (auto letter : Word)  //loop through all the letters 
{
	if (!islower(letter)) { return false; }
}

return true; //fall through for strange entries

}

called from CheckGuessValidity with:
else if (!IsLowerCase(Guess))

[calm78]