Extracting domains from email addresses can help analyze data, filter company-specific emails, and organize them for marketing or security purposes. If you have a database of email addresses and you ...

Regular expressions (or REGEX) are search patterns that can be used to check if a string of text conforms to a given pattern and extract or replace strings of text that match a given pattern. Given ...

You might be familiar with using spreadsheets at work, but they're also a great tool for personal use. Whether you're tracking expenses or putting together a wedding guest list, a spreadsheet can make ...