21 lines
607 B
Markdown
21 lines
607 B
Markdown
---
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title: words
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tags: string,regexp,intermediate
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---
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Converts a given string into an array of words.
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- Use `String.prototype.split()` with a supplied `pattern` (defaults to non-alpha as a regexp) to convert to an array of strings.
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- Use `Array.prototype.filter()` to remove any empty strings.
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- Omit the second argument, `pattern`, to use the default regexp.
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```js
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const words = (str, pattern = /[^a-zA-Z-]+/) =>
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str.split(pattern).filter(Boolean);
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```
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```js
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words('I love javaScript!!'); // ['I', 'love', 'javaScript']
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words('python, javaScript & coffee'); // ['python', 'javaScript', 'coffee']
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```
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