Matching Pairs Data ValidationOnline version Types of validation by Miss Butler 1 Range check 2 Check digit 3 Presence check 4 Length check 5 Lookup table 6 Format check 7 Spell check 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 a value falls within the specified range checks that data has been entered into a field checks the data is in the right format the last one or two digits in a code are used to check the other digits are correct
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