c++ isalphanum
string test = "Ab4 :";
std::isalnum(test[0]); //true
std::isalnum(test[1]); //true
std::isalnum(test[2]); //true
std::isalnum(test[3]); //false
std::isalnum(test[4]); //falsec++ isalphanum
string test = "Ab4 :";
std::isalnum(test[0]); //true
std::isalnum(test[1]); //true
std::isalnum(test[2]); //true
std::isalnum(test[3]); //false
std::isalnum(test[4]); //falseCopyright © 2021 Codeinu
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