HappenLee commented on code in PR #1230:
URL: https://github.com/apache/doris-website/pull/1230#discussion_r1816528764
##########
i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-functions/string-functions/top-level-domain.md:
##########
@@ -0,0 +1,61 @@
+---
+{
+ "title": "TOP_LEVEL_DOMAIN",
+ "language": "zh-CN"
+}
+---
+
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you 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.
+-->
+
+## top_level_domain
+### description
+#### Syntax
+
+`VARCHAR top_level_domain(VARCHAR url)`
+
+
+在url中提取出顶级域名返回，若为不合发的url，则返回空字符串
Review Comment:
不合法.....
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