20 lines
503 B
Markdown
20 lines
503 B
Markdown
---
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title: Capitalize every word
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tags: string,regexp,intermediate
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firstSeen: 2017-12-17T17:55:51+02:00
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lastUpdated: 2020-10-22T20:23:47+03:00
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---
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Capitalizes the first letter of every word in a string.
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- Use `String.prototype.replace()` to match the first character of each word and `String.prototype.toUpperCase()` to capitalize it.
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```js
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const capitalizeEveryWord = str =>
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str.replace(/\b[a-z]/g, char => char.toUpperCase());
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```
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```js
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capitalizeEveryWord('hello world!'); // 'Hello World!'
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```
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