'[[:upper:]]' -- Uppercase alphabetic characters : character_class « Regular Expressions « MySQL Tutorial

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MySQL Tutorial » Regular Expressions » character_class 
24.6.12.'[[:upper:]]' -- Uppercase alphabetic characters
mysql>
mysql>
mysql> CREATE TABLE Employee(
    ->     id            int,
    ->     first_name    VARCHAR(15),
    ->     last_name     VARCHAR(15),
    ->     start_date    DATE,
    ->     end_date      DATE,
    ->     salary        FLOAT(8,2),
    ->     city          VARCHAR(10),
    ->     description   VARCHAR(15)
    -> );
Query OK, rows affected (0.03 sec)

mysql>
mysql>
mysql> insert into Employee(id,first_name, last_name, start_date, end_Date,   salary,  City,       Description)
    ->              values (1,'Jason ',    'Martin',  '19960725',  '20060725', 1234.56'Toronto',  'Programmer');
Query OK, row affected (0.00 sec)

mysql>
mysql> insert into Employee(id,first_name, last_name, start_date, end_Date,   salary,  City,       Description)
    ->               values(2,'Alison i',   'Mathews',  '19760321', '19860221', 6661.78'Vancouver','Tester');
Query OK, row affected (0.01 sec)

mysql>
mysql> insert into Employee(id,first_name, last_name, start_date, end_Date,   salary,  City,       Description)
    ->               values(3,'James',    'Smith',    '19781212', '19900315', 6544.78'Vancouver','Tester');
Query OK, row affected (0.00 sec)

mysql>
mysql> insert into Employee(id,first_name, last_name, start_date, end_Date,   salary,  City,       Description)
    ->               values(4,'Celia',    'Rice',     '19821024', '19990421', 2344.78'Vancouver','Manager');
Query OK, row affected (0.00 sec)

mysql>
mysql> insert into Employee(id,first_name, last_name, start_date, end_Date,   salary,  City,       Description)
    ->               values(5,'Robert',   'Black',    '19840115', '19980808', 2334.78'Vancouver','Tester');
Query OK, row affected (0.00 sec)

mysql>
mysql> insert into Employee(id,first_name, last_name, start_date, end_Date,   salary,  City,       Description)
    ->               values(6,'Linda \t',    'Green',    '19870730', '19960104', 4322.78,'New York',  'Tester');
Query OK, row affected (0.00 sec)

mysql>
mysql> insert into Employee(id,first_name, last_name, start_date, end_Date,   salary,  City,       Description)
    ->               values(7,'David 0x15',    'Larry',    '19901231', '19980212', 7897.78,'New York',  'Manager');
Query OK, row affected (0.00 sec)

mysql>
mysql> insert into Employee(id,first_name, last_name, start_date, end_Date,   salary,  City,       Description)
    ->               values(8,'James 2',    'Cat',     '19960917',  '20020415', 1232.78,'Vancouver', 'Tester');
Query OK, row affected (0.00 sec)

mysql>
mysql> select from Employee;
+------+------------+-----------+------------+------------+---------+-----------+-------------+
| id   | first_name | last_name | start_date | end_date   | salary  | city      | description |
+------+------------+-----------+------------+------------+---------+-----------+-------------+
|    | Jason      | Martin    | 1996-07-25 2006-07-25 1234.56 | Toronto   | Programmer  |
|    | Alison i   | Mathews   | 1976-03-21 1986-02-21 6661.78 | Vancouver | Tester      |
|    | James      | Smith     | 1978-12-12 1990-03-15 6544.78 | Vancouver | Tester      |
|    | Celia      | Rice      | 1982-10-24 1999-04-21 2344.78 | Vancouver | Manager     |
|    | Robert     | Black     | 1984-01-15 1998-08-08 2334.78 | Vancouver | Tester      |
|    | Linda      | Green     | 1987-07-30 1996-01-04 4322.78 | New York  | Tester      |
|    | David 0x15 | Larry     | 1990-12-31 1998-02-12 7897.78 | New York  | Manager     |
|    | James 2    | Cat       | 1996-09-17 2002-04-15 1232.78 | Vancouver | Tester      |
+------+------------+-----------+------------+------------+---------+-----------+-------------+
rows in set (0.00 sec)

mysql>
mysql>
mysql>
mysql> select first_name from Employee where first_name REGEXP '[[:upper:]]';
+------------+
| first_name |
+------------+
| Jason      |
| Alison i   |
| James      |
| Celia      |
| Robert     |
| Linda             |
| David 0x15 |
| James 2    |
+------------+
rows in set (0.00 sec)

mysql>
mysql>
mysql> drop table Employee;
Query OK, rows affected (0.00 sec)
24.6.character_class
24.6.1.[:character_class:] represents a character class that matches all characters belonging to that class
24.6.2.'[[:alnum:]]' -- Alphanumeric characters
24.6.3.[[:alpha:]] -- Alphabetic characters
24.6.4.[[:blank:]] -- Whitespace characters
24.6.5.'[[:cntrl:]]' -- Control characters
24.6.6.'[[:digit:]]' -- Digit characters
24.6.7.'[[:graph:]]' -- Graphic characters
24.6.8.'[[:lower:]]' -- Lowercase alphabetic characters
24.6.9.'[[:print:]]' -- Graphic or space characters
24.6.10.'[[:punct:]]' -- Punctuation characters
24.6.11.'[[:space:]]' -- Space, tab, newline, and carriage return
24.6.12.'[[:upper:]]' -- Uppercase alphabetic characters
24.6.13.'[[:xdigit:]]' -- Hexadecimal digit characters
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