bool isAlpha()

Checks whether all the characters in a string are alphabet letters.

Example

#include "src/String.h"

int main()
{
    String s = "Hello";
    String s1 = "Hello World";
    s.isAlpha(); // gives value 1
    s1.isAlpha(); // gives value 0
    return 0;
}

Parameters

None

Return value

Returns true if all the characters are alphabet letters, otherwise false