Pattern match: string has 5 characters : Regular Expression « String « SQL / MySQL

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SQL / MySQL » String » Regular Expression 
Pattern match: string has 5 characters

  
/*
mysql> select * from Bird;
+----------+-------+---------+------+------------+------------+
| name     | owner | species | sex  | birth      | death      |
+----------+-------+---------+------+------------+------------+
| BlueBird | Joe   | Car     | f    | 1999-03-30 | NULL       |
| RedBird  | Yin   | Bus     | m    | 1979-04-30 | 0000-00-00 |
| RedBird  | Yin   | Bus     | m    | 1998-01-30 | NULL       |
+----------+-------+---------+------+------------+------------+
3 rows in set (0.00 sec)

mysql> /* To find names containing exactly five characters, use '^' and '$' to m
atch the beginning and end of the name, and five instances of '.' in between:
mysql> */
mysql> SELECT FROM Bird WHERE name REGEXP '^.....$';
Empty set (0.00 sec)


*/
  
Drop table Bird;

CREATE TABLE Bird (
    name VARCHAR(20)
    owner VARCHAR(20),
    species VARCHAR(20)
    sex CHAR(1)
    birth DATE, 
    death DATE
);
  
INSERT INTO  Bird VALUES ('BlueBird','Joe','Car','f','1999-03-30',NULL);
INSERT INTO  Bird VALUES ('RedBird','Yin','Bus','m','1979-04-30',1998-01-30);
INSERT INTO  Bird VALUES ('RedBird','Yin','Bus','m','1998-01-30',NULL);
  
select from Bird;
/* To find names containing exactly five characters, use '^' and '$' to match the beginning and end of the name, and five instances of '.' in between:
*/
SELECT FROM Bird WHERE name REGEXP '^.....$';

           
       
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13. Where clause: like and %
14. Where clause: regular expressions
15. Where clause: regular expression 2
16. Pattern in Where clause
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18. Pattern Matching
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