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Илья Парчук

13 янв в 20:10 13 янв

Java Script: Задача на Поиск гласных

Поиск гласных

Задача

Нужно написать функцию, принимающую строку в качестве аргумента и возвращающую количество гласных, которые содержатся в строке.

Гласными являются «a», «e», «i», «o», «u».

Пример:

findVowels('hello') // --> 2

findVowels('why') // --> 0

Решение

Здесь задействуется метод .match(), который позволяет реализовать эффективный поиск. Если регулярное выражение как аргумент метода обнаружено внутри указанной строки, то возвращаемым значением становится массив совпадающих символов. Ну а если совпадений нет, то .match() возвращает null.

Больше задач в телеграмм канале - Инкогнито

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