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Check if a string contains whitespace

Written byPhuoc Nguyen

Created

19 Apr, 2020

Last updated

13 Oct, 2021

Category

Validator

JavaScript version

containsWhitespace.js

const containsWhitespace = (str) => (str) => /\s/.test(str);

TypeScript version

containsWhitespace.ts

const containsWhitespace =
    (str: string): boolean =>
    (str) =>
        /\s/.test(str);

Examples

examples.js

containsWhitespace('hello world'); // true

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Check if a string contains whitespace

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