bankdata-germany
Version:
Data and BIC Validator for German Banks
34 lines (31 loc) • 1.18 kB
JavaScript
;
/**
* bankdata-germany
* Copyright (C) 2022-2024 Markus Baumer <markus@baumer.dev>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.extractBLZFromBBAN = void 0;
/**
* Extract BLZ from BBAN
*
* @param bban German BBAN with 18 digits
* @returns BLZ or null if invalid
*/
const extractBLZFromBBAN = (bban) => {
if (!bban || !bban.match(/^[1-9]\d{17}$/)) {
return null;
}
return bban.slice(0, 8);
};
exports.extractBLZFromBBAN = extractBLZFromBBAN;