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]);	//false

Similar codes

-1 vote122 views2 answers
Function template c++
C++
0 vote181 views1 answer
Fast input and output c++
C++
3 votes173 views2 answers
C++ round number to whole
C++
0 vote127 views1 answer
First and last digit of a number in c++
C++
0 vote128 views1 answer
Cube mapping sdl
C++
0 vote124 views1 answer
Why wont a function stop C++
C++
1 vote130 views1 answer
Ue4 spawn actor c++
C++
5 votes160 views3 answers
Fast io c++
C++
1 vote191 views1 answer
Joining two vectors in c++
C++
0 vote128 views1 answer
C++ insertion in astack
C++