Srilankan55zip | TOP-RATED ✦ |

Use Regex to ensure the input is exactly 5 numeric digits (e.g., ^(\d{5})$ ).

Sri Lanka uses a standard 5-digit format where the first two digits represent the province/district and the remaining digits specify the local post office. Proposed Feature: Smart Address Autocomplete srilankan55zip

A simple onChange event listener on the zip code input field to trigger the fetch request. Use Regex to ensure the input is exactly 5 numeric digits (e

Query a local dataset or an API like srilankan-postalcode to match the code to its corresponding city. srilankan55zip

Integrate a comprehensive list of Sri Lanka's 500+ post offices.

This feature would automatically populate the once a user enters a valid 5-digit Sri Lankan postal code. 1. Core Functionality

Use a lightweight Node.js/Express service or a Python/Flask endpoint to serve the mapping.