mysql field for newline \ r \ n query and delete

1, application scenarios: mysql in a data field contains a line break, leading to an error when parsing json front desk

       “Uncaught SyntaxError: Unexpected token  in JSON at position 333”；

2, ++ for the above view data may be pasted into the Notepad, wherein part of the problem as follows json

      "info":"mysql1,\r\nmysql2"

3, to address the problem field inquiries, the following statement in mysql database

       select * from test where info like CONCAT('%',char(10),'%');

       You can check the test data sheet info field contains a line break what;

4, line breaks will be included in the removal, you can execute the following statement

       
       update test

       set info = replace(replace(info,char(10),''),char(13),'')

       where info like concat('%',char(10),'%');

5, in addition to the newline \ r \ n for, for \ t tab tab stops, the following statement may be employed

      select * from test where info like CONCAT('%\t%');

       update test

       set info = replace(info,'\t','')

       where info like concat('%',char(10),'%');