SQL Server

Validate a ULID

See more ULID/UUID Examples

Checks to see if a ULID is valid.

Important: Chilkat's ULID functionality was introduced in v9.5.0.94.

SQL Server

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @dt int
    EXEC @hr = sp_OACreate 'Chilkat.CkDateTime', @dt OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- A ULID must be exactly 26 chars in length,
    -- and is composed of the following chars: 0123456789ABCDEFGHJKMNPQRSTVWXYZ
    -- Note: The ULID alphabet excludes the letters I, L, O, and U

    -- Here's a valid ULID
    DECLARE @ulid nvarchar(4000)
    SELECT @ulid = '01GRGCH4J88RECEN4D4VK4F629'
    DECLARE @valid int
    EXEC sp_OAMethod @dt, 'UlidValidate', @valid OUT, @ulid

    PRINT 'valid: ' + @valid

    -- Here's an invalid ULID
    SELECT @ulid = '71GRGxx4Jr8RECEN4D4VK4F62!'
    EXEC sp_OAMethod @dt, 'UlidValidate', @valid OUT, @ulid

    PRINT 'valid: ' + @valid

    EXEC @hr = sp_OADestroy @dt


END
GO