https://www.guru99.com/linux-regular-expressions.html this tutorial introduces all types of Regular Expressions in Linux/Unix. What are Regular Expressions? Click on the time points below to view different sections! 0:04 What are Regular Expressions? 0:21 Basic Regular Expressions 1:24 Interval Regular Expressions 2:54 Brace expansion 3:47 Summary Regular expressions are special characters which help search data, matching complex patterns. Types of Regular expressions: Basic Regular expressions, Interval Regular expressions, Extended regular expressions, Summary Like, share and subscribe our channel for more videos. Watch more videos on our YouTube channel at https://www.youtube.com/channel/UC19i1XD6k88KqHlET8atqFQ READ this as a book on Amazon by viewing at http://amzn.to/2gZGjbE Visit our website for more! www.guru99.com Read our blogs in https://www.guru99.com/blog/ FACEBOOK! Would you prefer to watch more about us? Like our page for more https://www.facebook.com/guru99com/ TWITTER! Tweet for us on Twitter with #guru99 and follow us on https://twitter.com/guru99com LinkedIn! Follow us here https://www.linkedin.com/company/guru99/ THANKS! We appreciate you reading this and hope you have a wonderful day! Sincerely, Guru99