note: by using regular expressions please I need the code

Q: In this assignment you are request to use regular expressions based on web crawler platform to extract KSU e-mail addresses from the URL: https://ccis.ksu.edu.sa/en

What is a web crawler used for? An Email Extractor tool is a browser extension or web application that automatically extracts email addresses from websites, web pages, and social media platforms. Web crawlers help you index web pages, locate content, and gather data from public websites. Crawlers also look at URL links within a website and try to work out a schema for how these pages are interconnected. This crawling helps you analyze the website from a wider perspective and makes it easier for online tools such as search engines to display a simplified version of it in the form of search results. In this assignment you are request to use regular expressions based on web crawler platform to extract KSU e-mail addresses from the URL: What is a web crawler used for? An Email Extractor tool is a browser extension or web application that automatically extracts email addresses from websites, web pages, and social media platforms. Web crawlers help you index web pages, locate content, and gather data from public websites. Crawlers also look at URL links within a website and try to work out a schema for how these pages are interconnected. This crawling helps you analyze the website from a wider perspective and makes it easier for online tools such as search engines to display a simplified version of it in the form of search results. In this assignment you are request to use regular expressions based on web crawler platform to extract KSU e-mail addresses from the URL