Add Postal Code validation for Turkey

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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

Use the linked Wikipedia article as the format reference, then inspect the repository’s existing postal-code validators and their tests to find the appropriate entry points. Done means Turkish postal codes are accepted or rejected according to that reference, with regression coverage.

Written by the indexing model from the issue text.

Description

https://en.wikipedia.org/wiki/Postal_codes_in_Turkey

Dominant language
JavaScript
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