DistroHard/node_modules/validator/es/lib/isSlug.js

import assertString from './util/assertString';
var charsetRegex = /^[^\s-_](?!.*?[-_]{2,})[a-z0-9-\\][^\s]*[^-_\s]$/;
export default function isSlug(str) {
  assertString(str);
  return charsetRegex.test(str);
}