In SQL, what does the REGEXP operator allow you to do?

The REGEXP operator in SQL allows you to perform pattern matching. It is used to search for a string that matches a regular expression pattern. The REGEXP operator is often used in the WHERE clause of the SELECT, UPDATE, and DELETE statements.

Here are the steps to use the REGEXP operator:

1. Specify the column on which you want to perform the search. This could be any column in your table that contains string data.

2. Use the REGEXP operator. This comes after the column name.

3. Provide the regular expression pattern. This comes after the REGEXP operator. The pattern is a string that describes the character sequence to match.

For example, if you have a table named 'employees' and you want to find all employees whose names start with 'J', you could use the following SQL statement:

SELECT * FROM employees
WHERE name REGEXP '^J';

In this example, '^J' is the regular expression pattern. The caret '^' is a special character that means "start of the line", so '^J' matches any string that starts with 'J'.