![regular expression - sed one-liner to delete any line that begins with a digit - Unix & Linux Stack Exchange regular expression - sed one-liner to delete any line that begins with a digit - Unix & Linux Stack Exchange](https://i.stack.imgur.com/tGD5v.png)
regular expression - sed one-liner to delete any line that begins with a digit - Unix & Linux Stack Exchange
![SOLVED: How do you write a command to remove blank lines from a file using sed? (Note: a blank line may contain either nothing or only whitespace characters (space, tab, etc)). For SOLVED: How do you write a command to remove blank lines from a file using sed? (Note: a blank line may contain either nothing or only whitespace characters (space, tab, etc)). For](https://cdn.numerade.com/project-universal/previews/a11554b2-876a-48af-8415-ace6d11435d7.gif)
SOLVED: How do you write a command to remove blank lines from a file using sed? (Note: a blank line may contain either nothing or only whitespace characters (space, tab, etc)). For
![Unleashing the Power of Sed and Awk: A Dynamic Duo for Text Processing | by Extio Technology | Medium Unleashing the Power of Sed and Awk: A Dynamic Duo for Text Processing | by Extio Technology | Medium](https://miro.medium.com/v2/resize:fit:734/1*hmyn2idd61mZrIjmgfIzQw.png)