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Credit card numbers are numeric data that follow the 14-digit or 16-digit patterns for credit cards.

Pattern:

#### #### #### ####
####-####-####-####
#### #### #### ##
####-####-####-##

Notes:

Some numerical combinations in the above patterns may be:

  • widely known test values
  • invalid for credit card numbers

For more information, see Data Type Validation Patterns.

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