Check if char is number C++ – Example to check if a character is a number or digit using isdigit(int c) library function. Note that digits can be 0, 1, 2 ,3, 4, 5 ,6, 7, 8, 9 . To use the function isDigit, the header file #include <cctype> need to be included. C++ Program example – […]
Sum of digits in a string C++ Program
Sum of digits in a string C++ – find digits in a given string and calculate the sum of all digits. For example, if a given string is “hello65”; then sum of digits present in the string is 6+5 = 11. isDigit() C++ library function will be used to check if char is a digits. […]