23 lines
542 B
Markdown
23 lines
542 B
Markdown
---
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title: Check if string contains whitespace
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type: snippet
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language: javascript
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tags: [string,regexp]
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author: chalarangelo
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cover: bag-waiting
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dateModified: 2020-10-18T23:04:45+03:00
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---
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Checks if the given string contains any whitespace characters.
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- Use `RegExp.prototype.test()` with an appropriate regular expression to check if the given string contains any whitespace characters.
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```js
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const containsWhitespace = str => /\s/.test(str);
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```
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```js
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containsWhitespace('lorem'); // false
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containsWhitespace('lorem ipsum'); // true
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```
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