@skhemata/skhemata-form/src/validator/lib/isHalfWidth.js

Skhemata Form Web Component. This web component can be used as base web component when working with forms and inputs.

import assertString from './util/assertString';

export const halfWidth = /[\u0020-\u007E\uFF61-\uFF9F\uFFA0-\uFFDC\uFFE8-\uFFEE0-9a-zA-Z]/;

export default function isHalfWidth(str) {
  assertString(str);
  return halfWidth.test(str);
}