删除id以数字开头的所有文档Elasticsearch

import org.elasticsearch.action.delete.DeleteRequest;
import org.elasticsearch.action.delete.DeleteResponse;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.search.builder.SearchSourceBuilder;

// 创建删除请求
DeleteRequest deleteRequest = new DeleteRequest("your_index_name");
SearchSourceBuilder sourceBuilder = new SearchSourceBuilder();
sourceBuilder.query(QueryBuilders.regexpQuery("_id", "\\d+.*")); // 使用正则表达式匹配以数字开头的id
deleteRequest.source(sourceBuilder);

// 发送删除请求
DeleteResponse deleteResponse = client.delete(deleteRequest, RequestOptions.DEFAULT);

// 确认删除结果
if (deleteResponse.getResult() == DocWriteResponse.Result.DELETED) {
    System.out.println("删除成功");
} else {
    System.out.println("删除失败");
}