(Wildcard - Character(s) Not to Match) (Transact-SQL)
Matches any single character that is not within the range or set specified between the square brackets.
Examples
The following example uses the [^] operator to find all the people in the Contact table who have first names that start with Al and have a third letter that is not the letter a.
USE AdventureWorks2012;
GO
SELECT FirstName, LastName
FROM Person.Person
WHERE FirstName LIKE 'Al[^a]%'
ORDER BY FirstName;
See Also
Reference
Percent character (Wildcard - Character(s) to Match) (Transact-SQL)