A common variable in all of coding, writing, formatting, and anything related to computers, is the ability to search for information pertaining to whatever you are working on. From databases, lists, and documents to books, scripts, or code, there will come a time when you need to search for information. The common way of doing it is simply a CTRL + F to search for things already there. But what if you have a database full of information about how users use your site? What if the exported information contains sensitive material such as emails, passwords, or addresses? You probably won't know every address you need to remove from the information so a simple search and find won't work. In steps a regex or a "regular expression", a pattern to search for information.
In this demonstration, we will be examining a regex to specifically search for an email address. Key parameters for an email address would be characters, followed by the @ symbol, followed by additional domain characte