Count consonants in a string

Given a string, count total number of consonants in it. A consonant is a English alphabet character that is not vowel (a, e, i, o and u). Examples of constants are b, c, d, f, g, ..

Examples :

Input : abc de
Output : 3
There are three consonants b, c and d.

Input : geeksforgeeks portal
Output : 12

Count consonants in a string  :  https://www.geeksforgeeks.org/count-consonants-string-iterative-recursive-methods/