// (C) Copyright 2015 Moodle Pty Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

export class CoreUrl {

    /**
     * Parse url domain.
     *
     * @param url Url.
     * @return Url domain.
     */
    static parseDomain(url: string): string | null {
        const match = url.trim().match(/(https?:\/\/|^)([^/]+)/);

        return match ? match[2] : null;
    }

}