Add credit card string validator (#5583)

* Add credit card validator

* 

* Add return type hint

* Add test cases for validator function

* Add test cases

* Feature: Rename file

* Update strings/cc_validator.py

Co-authored-by: Christian Clauss <[email protected]>

* Update strings/cc_validator.py

Co-authored-by: Christian Clauss <[email protected]>

* Update strings/cc_validator.py

Co-authored-by: Christian Clauss <[email protected]>

* Review: Fix redundant checks

* Review: Refactor

* Fix: Update test cases

* Refactor

* Update credit_card_validator.py

Co-authored-by: Christian Clauss <[email protected]>

@im_8055 committed 4y ago

12e81ea6a2e74691173895418f2129bb4d2752c2

Parent: 74e442e

Committed by GitHub <[email protected]> on 10/26/2021, 5:21:07 AM