How to use sed character classes
Unix & Linux: sed replace first occurrence of "space-tab" pattern - YouTube
sed tip: Remove / Delete All Leading Blank Spaces / Tabs ( whitespace ) From Each Line - nixCraft
How Does the “sed” Command Remove Whitespaces in Linux? – Its Linux FOSS
Expand - Convert Tabs to Spaces on Linux Command Line - Putorius
tr command to convert lines to space , tab and vertical tab | sharadchhetri
regex - Sed replace all digits within square brackets with a new line - Stack Overflow
How to Convert Tabs to Spaces in Linux With Expand Command
Solved 4. Using sed: Using the employees.txt file, answer | Chegg.com
50 sed Command Examples
How Does the “sed” Command Remove Whitespaces in Linux? – Its Linux FOSS
The magic of BASH string expansion
Replace all TAB characters with spaces - Linux Tutorials - Learn Linux Configuration
Linux / UNIX: Sed Replace Newline (\n) character - nixCraft
Expand - Convert Tabs to Spaces on Linux Command Line - Putorius
How Does the “sed” Command Remove Whitespaces in Linux? – Its Linux FOSS
sed - How to remove all special characters in Linux text - Stack Overflow
SED command in Linux | Set 2 - GeeksforGeeks
How Does the “sed” Command Remove Whitespaces in Linux? – Its Linux FOSS
50 sed Command Examples
regex - Filling space/tab separated, empty columns with 0 - Stack Overflow
Improved Word Count Using Unix Commands | Automated hands-on| CloudxLab
