Check if a string contains only ASCII characters
Written byPhuoc Nguyen
Created
09 Jun, 2020
Last updated
13 Oct, 2021
Category
Validator
JavaScript version
isAscii.js
const isAscii = (str) => /^[\x00-\x7F]+$/.test(str);
TypeScript version
isAscii.ts
const isAscii = (str: string): boolean => /^[\x00-\x7F]+$/.test(str);
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Phước Nguyễn