What characters do I need to escape when using sed in a sh script? – Unix & Linux Stack Exchange https://unix.stackexchange.com/questions/32907/what-characters-do-i-need-to-escape-when-using-sed-in-a-sh-script
shell – Delete lines in a text file that contain a specific string – Stack Overflow https://stackoverflow.com/questions/5410757/delete-lines-in-a-text-file-that-contain-a-specific-string
Use sed in bash to replace string with heredoc – Stack Overflow https://stackoverflow.com/questions/26770426/use-sed-in-bash-to-replace-string-with-heredoc