# grep tricks

I’ve been using *grep* (Global Regular Expression Print) to search files on Unix for years and never knew you could have it appear in color. And here are some other interesting articles about *grep*.

- [http://unstableme.blogspot.com/2009/03/highlight-match-with-color-in-grep.html](http://unstableme.blogspot.com/2009/03/highlight-match-with-color-in-grep.html)
- [http://opensourcehacker.com/2012/05/29/power-searching-using-unix-grep/](http://opensourcehacker.com/2012/05/29/power-searching-using-unix-grep/)
- [http://eriwen.com/tools/grep-is-a-beautiful-tool/](http://eriwen.com/tools/grep-is-a-beautiful-tool/)
- [http://www.itworld.com/operating-systems/364065/unix-groping-through-big-data-grep](http://www.itworld.com/operating-systems/364065/unix-groping-through-big-data-grep)

[http://regexr.com/](http://regexr.com/) is an online tool to learn, build, &amp; test Regular Expressions.