Grep capture group

# matches and returns b
$ echo "abc" | grep -oP "a\K(b)(?=c)" 
b 
# no match
$ echo "abc" | grep -oP "z\K(b)(?=c)"
# no match
$ echo "abc" | grep -oP "a\K(b)(?=d)"

Source: stackoverflow.com

Similar codes

4 votes272 views3 answers
Git log find by user
Shell/Bash
1 vote277 views1 answer
Stop docker image from exiting
Shell/Bash
0 vote286 views1 answer
Awk print only range of lines
Shell/Bash
0 vote282 views3 answers
Install fly on ubuntu
Shell/Bash
2 votes277 views2 answers
Postgres status ubuntu
Shell/Bash
2 votes272 views2 answers
Get value of an alias in bash
Shell/Bash
1 vote246 views1 answer
Nx test lib
Shell/Bash
0 vote315 views1 answer
How to push to a new repositiory in github
Shell/Bash
9 votes266 views1 answer
Git get address
Shell/Bash
0 vote279 views1 answer
Git clone iin colab using the private repo
Shell/Bash