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

2 votes275 views3 answers
Npm run build memory limit
Shell/Bash
2 votes324 views2 answers
How to install metasploit in ubuntu
Shell/Bash
0 vote260 views1 answer
Oh-my-posh.psm1 porque la ejecución de scripts está deshabilitada en este sistema
Shell/Bash
0 vote258 views1 answer
Close sessin git cli
Shell/Bash
0 vote242 views1 answer
Debian netstat command not found
Shell/Bash
6 votes254 views2 answers
Powershell comment
Shell/Bash
0 vote244 views1 answer
Google translate for linux
Shell/Bash
15 votes221 views6 answers
How to remove git commit
Shell/Bash
1 vote262 views1 answer
How to add application to unity launcher
Shell/Bash
1 vote243 views1 answer
Echo to file permission denied
Shell/Bash