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How to remove -XXX from Zip Code field using MySQL REGEXP?
The easiest way to achieve this is by using the MySQL SUBSTRING_INDEX() function. Let us first create a table −
mysql> create table DemoTable ( ZipCode varchar(50) ); Query OK, 0 rows affected (2.02 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable values('52533-909');
Query OK, 1 row affected (0.23 sec)
mysql> insert into DemoTable values('12345-674');
Query OK, 1 row affected (0.27 sec)
mysql> insert into DemoTable values('89893-890');
Query OK, 1 row affected (0.21 sec)
mysql> insert into DemoTable values('AAAAA-783');
Query OK, 1 row affected (0.25 sec)Display all records from the table using select statement −
mysql> select *from DemoTable;
This will produce the following output −
+-----------+ | ZipCode | +-----------+ | 52533-909 | | 12345-674 | | 89893-890 | | AAAAA-783 | +-----------+ 4 rows in set (0.00 sec)
Following is the query to remove -XXX from zipcode using substring_index() −
mysql> update DemoTable set ZipCode=substring_index(ZipCode, '-', 1); Query OK, 4 rows affected (0.44 sec) Rows matched : 4 Changed : 4 Warnings : 0
Let us check the table records once again −
mysql> select *from DemoTable;
This will produce the following output −
+---------+ | ZipCode | +---------+ | 52533 | | 12345 | | 89893 | | AAAAA | +---------+ 4 rows in set (0.00 sec)
Updated on: 09-Oct-2019
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