Unlock the power of advanced regular expressions in sed, grep, and vim with this comprehensive guide. Learn how to use lookahead and lookbehind assertions, backreferences, conditional statements, non-capturing groups, and atomic groups to enhance your text search and manipulation skills.... Read More

sed (short for stream editor) is a great tool to quickly and efficently edit text files, this article is a full tutorial of how to use sed from a beginner level to an advanced one, I believe that this article will show you some of the magic of sed command... Read More

One of the best things in Bash is the extensive tools we can use to manipulate strings. you can extract substrings , replace or delete them, and do much more... Read More