Function isToken

packages/core/sdk/src/www-authenticate.ts:27–27

(word: string)

const WORD_RE = /[A-Za-z0-9!#$%&'*+.^_`|~/-]/;

const isToken = (word: string): boolean => [...word].every((ch) => TOKEN_RE.test(ch));
// Unquoted URL values some providers emit (scheme://host/path?query): URI
// characters per RFC 3986, no whitespace/comma/quotes.
const isUrlish = (word: string): boolean => /^[A-Za-z][A-Za-z0-9+.-]*:\/\/[^\s,"]+$/.test(word);