The newer versions of bash (>= 3.0) include a regex operator =~
Simple example
$ re='t(es)t'
$ [[ "test" =~ $re ]]
$ echo $?
0
$ echo ${BASH_REMATCH[1]}
es
JPvRiel
/ bash_regex_match_groups.md
Last active
October 16, 2023 15:28
Bash regular expression match with groups including example to parse http_proxy environment variable