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Comment: Published by Scroll Versions from space DEV and version next
Excerpt

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

Pattern:

Code Block
#### #### #### ####
####-####-####-####
#### #### #### ##
####-####-####-##

Notes:

Some numerical combinations in the above pattern are not valid patterns may be:

  • widely known test values
  • invalid for credit card numbers

...

For more information, see Data Type Validation Patterns.

Data Validation

When values are validated against the Credit Card data type, the 

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 validates the values using regular expressions. This regular expression method checks for general Credit Card patterns and is fast to evaluate.

However, some values may follow the regular expression validation pattern but are not accurate credit card numbers. These values may be detected as valid values.