Isalnum

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

Isalnum

isalpha() - To check Alphabets
isnumeric() - To check Number
isalnum() - To check both alphabates and number

Similar codes

0 vote220 views1 answer
Python replace two spaces with one
Python
0 vote214 views1 answer
Antal riksdagsledamöter
Python
4 votes202 views1 answer
How to find the last item of a list
Python
0 vote173 views1 answer
Python max absolute value
Python
0 vote170 views1 answer
Python open multiple .py windows
Python
1 vote187 views1 answer
Remove all pyc
Python
0 vote180 views2 answers
Quotation marks in string
Python
0 vote186 views1 answer
Python argsort a list
Python
0 vote212 views1 answer
Get number of nodes networkx
Python
7 votes183 views1 answer
Python selenium select dropdown
Python