std::isalpha
std::isalpha
Defined in header <cctype> | ||
|---|---|---|
int isalpha( int ch ); |
Checks if the given character is an alphabetic character as classified by the currently installed C locale. In the default locale, the following characters are alphabetic:
- uppercase letters
ABCDEFGHIJKLMNOPQRSTUVWXYZ - lowercase letters
abcdefghijklmnopqrstuvwxyz
In locales other than "C", an alphabetic character is a character for which std::isupper() or std::islower() returns non-zero or any other character considered alp
