Input Form Validation about zabo-front-reactjs HOT 4 CLOSED

// variables.js
// ...
export const RESERVED_ROUTES_USERNAME_EXCEPTIONS = ['auth', 'settings'];

// utils/index.js 
// ...
export const validateName = (name) => {
  // 1~25자 제한
  if (name.length === 0 || name.length > 25) return false;
  // 첫 글자로는 _, 알파벳, 한글, 숫자만 입력 가능
  // ._- 한글 알파벳 숫자 입력 가능
  const patt = new RegExp (/^[ㄱ-ㅎㅏ-ㅣ가-힣a-zA-Z0-9_][ㄱ-ㅎㅏ-ㅣ가-힣a-zA-Z0-9._-]*$/);
  if (!patt.test (name)) return false;
  const doubleCharPatt = /(--)|(\.\.)|(__)/;
  if (doubleCharPatt.test (name)) return false;
  const match = RESERVED_ROUTES_USERNAME_EXCEPTIONS.find (exception => exception === name.toLowerCase ());
  return !match;
};