Email Scraper Examples (Python & Node.js)

This repository contains practical scripts to extract email addresses from web pages using Python and Node.js. It includes examples for both regex-based and API-based extraction, covering single sites, multiple URLs, and AI-enhanced scraping.

Table of Contents

1. Requirements
2. Project Structure
3. Email Scraping Examples
   • Regex Email Scraping
   • API Email Scraping (HasData)
   • AI Email Extraction (HasData)
   • Google SERP Email Extraction
   • Google Maps Email Extraction

Requirements

Python 3.10+ or Node.js 18+

Python Setup

Required packages:

• requests

Install:

pip install requests

Node.js Setup

Required packages:

• axios

Install:

npm install axios

Project Structure

email-scraping-examples/
│
├── python/
│   ├── regex_single_site.py
│   ├── regex_urls_from_file.py
│   ├── regex_urls_from_list.py
│   ├── api_email_scraper.py
│   ├── api_ai_email_scraper.py
│   ├── api_urls_from_file.py
│   ├── api_urls_from_list.py
│   ├── google_serp_scraper.py
│   ├── google_maps_scraper.py
│
├── nodejs/
│   ├── regex_single_site.js
│   ├── regex_urls_from_file.js
│   ├── regex_urls_from_list.js
│   ├── api_email_scraper.js
│   ├── api_ai_email_scraper.js
│   ├── api_urls_from_file.js
│   ├── api_urls_from_list.js
│   ├── google_serp_scraper.js
│   ├── google_maps_scraper.js
│
└── README.md

Each script focuses on a specific method of email extraction. No frameworks. Just clean and minimal examples to get things done.

Email Scraping Examples

Full article with email scraping examples you can find at hasdata.com.

Regex Email Scraping

Extract emails using regular expressions from a given URL or multiple URLs (from a file or list).

Parameter	Description	Example
target_url	URL to scrape emails from	'https://example.com'
file_path	File with URLs (for batch)	'urls.txt'
output_file	File to save found emails	'emails.txt'

API Email Scraping (HasData)

Use HasData's web scraping API to extract emails, phone numbers, addresses, and company names from websites.

Parameter	Description	Example
api_key	HasData API key	'your-api-key'
target_url	Website URL to scrape	'https://example.com'

AI Email Extraction (HasData)

Use HasData’s AI extraction feature to extract emails and additional details from complex websites.

Parameter	Description	Example
api_key	API key for HasData service	'YOUR-API-KEY'
urls.txt	File containing list of URLs to scrape	'urls.txt'
proxyType	Type of proxy to use for requests	'datacenter'
proxyCountry	Proxy country code to route requests through	'US'
jsRendering	Enable JavaScript rendering on pages	True
aiExtractRules	AI extraction rules for address, phone, email, company	See script for JSON structure
results_ai.json	Output JSON file with scraped data	'results_ai.json'
results_ai.csv	Output CSV file with scraped data	'results_ai.csv'

Google SERP Email Extraction

Search Google for specific queries and extract emails from the resulting URLs.

Parameter	Description	Example
api_key	Your HasData API key	"YOUR-API-KEY"
keywords	List of search queries for Google SERP	["restaurant in New York", "coffee shop in Los Angeles"]
country	Country code for localized search	"US"
language	Language code for search results	"en"
num_res	Number of organic results per query	10
urls	List of URLs collected from SERP	["https://example.com", "https://another.com"]
results	List of dictionaries with URL and extracted emails	[{"url": "https://example.com", "emails": ["info@example.com"]}]

Google Maps Email Extraction

Extract emails and contact details from Google Maps listings for a given keyword and location.

Parameter	Description	Example
api_key	API key for HasData API	'YOUR-API-KEY'
keywords	List of keywords to search in Google Maps	["coffee shops NYC", "book stores Boston"]
language	Language code for Google Maps search	'en'
results.json	Output JSON file with combined results	'results.json'
results.csv	Output CSV file with combined results	'results.csv'

Disclaimer

These examples are for educational purposes only. Learn more about the legality of web scraping.