meihuasannong opened a new issue, #300:
URL: https://github.com/apache/doris-flink-connector/issues/300

   ### Search before asking
   
   - [X] I had searched in the 
[issues](https://github.com/apache/incubator-doris/issues?q=is%3Aissue) and 
found no similar issues.
   
   
   ### Description
   
   In Flink cdc connectors,it supports  regex to match multi-tables,for example:
   ```
   CREATE TABLE products
   (
       db_name       STRING METADATA FROM 'database_name' VIRTUAL,
       table_name    STRING METADATA FROM 'table_name' VIRTUAL,
       operation_ts  TIMESTAMP_LTZ(3) METADATA FROM 'op_ts' VIRTUAL,
       operation     STRING METADATA FROM 'row_kind' VIRTUAL,
       order_id      INT,
       order_date    TIMESTAMP(0),
       customer_name STRING,
       price         DECIMAL(10, 5),
       product_id    INT,
       order_status  BOOLEAN,
       PRIMARY KEY (order_id) NOT ENFORCED
   ) WITH (
         'connector' = 'mysql-cdc',
         'hostname' = 'localhost',
         'port' = '3306',
         'username' = 'root',
         'password' = '123456',
         'database-name' = '(^(test).*|^(tpc).*|txc|.*[p$]|t{2})',
         'table-name' = '(t[5-8]|tt)'
         );
   ```
   in doris-flink-connector,I tried using regular expressions, but failed,so 
How should I use it,thanks!
   
   ### Use case
   
   _No response_
   
   ### Related issues
   
   _No response_
   
   ### Are you willing to submit PR?
   
   - [ ] Yes I am willing to submit a PR!
   
   ### Code of Conduct
   
   - [X] I agree to follow this project's [Code of 
Conduct](https://www.apache.org/foundation/policies/conduct)
   


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