Add Postal Code validation for Argentina

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Assessment

Difficulty
2/5
Estimated time
1-3 hours
Newbie friendliness
65/100
Issue type
Feature
Clarity
Mostly clear
Activity status
Quiet
Tech stack
javascript
Domain
backend

Research direction

Start by locating the existing postal-code validators and their tests in validator.js, then compare their conventions with the Argentine CPA format given in the issue. Add coverage for valid and invalid Argentine postal codes, and run the relevant validation tests to confirm the new behavior.

Written by the indexing model from the issue text.

Description

https://www.expatfocus.com/argentina/guide/argentina-postal-service

CPA: 1 letter + 4 digits + 3 letters (e.g. C1002AAB)

Dominant language
JavaScript
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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

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