Shell trim

STR="${STR//(^[ ]+|[ ]+$)/}"

# ${STR//--regex--/--replacement--} = replace all
# ${STR/--regex--/--replacement--} = replace one
# ^[ ]+ = empty character([ ])s(+) at the start(^) of the string
# [ ]+$ = empty character([ ])s(+) at the end($) of the string
# (A|B) = A or B

Similar codes

4 votes214 views2 answers
Vscode publish to github organisation
Shell/Bash
0 vote183 views1 answer
Git copy folder from another branch
Shell/Bash
0 vote207 views1 answer
ELSE you have pushed your changes to remote
Shell/Bash
3 votes202 views1 answer
If argument supplied bash
Shell/Bash
0 vote189 views1 answer
Git log with date
Shell/Bash
188 votes368 views6 answers
Git create branch
Shell/Bash
6 votes200 views3 answers
What is a repository
Shell/Bash
2 votes189 views3 answers
How to rename many files at once linux
Shell/Bash
1 vote213 views2 answers
Docker compose exec compose
Shell/Bash
1 vote212 views1 answer
React js BrowserRouter npm
Shell/Bash