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