xianyuyaofanshen/packages/ccc-obfuscated-code/node_modules/validator/es/lib/isBIC.js

import assertString from './util/assertString';
var isBICReg = /^[A-z]{4}[A-z]{2}\w{2}(\w{3})?$/;
export default function isBIC(str) {
  assertString(str);
  return isBICReg.test(str);
}