src/node_modules/validator/es/lib/isHalfWidth.js


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import assertString from './util/assertString';
export var halfWidth = /[\u0020-\u007E\uFF61-\uFF9F\uFFA0-\uFFDC\uFFE8-\uFFEE0-9a-zA-Z]/;
export default function isHalfWidth(str) {
  assertString(str);
  return halfWidth.test(str);
}