Matching Pairs Data ValidationOnline version Types of validation by Miss Butler 1 Range check 2 Presence check 3 Lookup table 4 Spell check 5 Length check 6 Format check 7 Check digit checks the data is in the right format looks up words in a dictionary looks up acceptable values in a table checks the data isn't too short or too long checks that data has been entered into a field checks that a value falls within the specified range the last one or two digits in a code are used to check the other digits are correct
