Merge pull request #518 from kriadmin/patch-6

[FEATURE] noVowels.md
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Angelos Chalaris
2018-01-09 14:22:55 +02:00
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3 changed files with 15 additions and 1 deletions

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### countVowels
Retuns `number` of vowels in provided string.
Use a regular expression to count the number of vowels `(A, E, I, O, U)` in a `string`.
```js
const countVowels = str => (str.match(/[aeiou]/gi) || []).length;
```
```js
countVowels('foobar'); // 3
countVowels('gym'); // 0
```