/Shell/Bash/Bash substring test

Bash substring test

Bash substring test

#!/bin/bash

STR='GNU/Linux is an operating system'
SUB='Linux'
if [[ "$STR" == *"$SUB"* ]]; then
  echo "It's there."
fi

4

Source: linuxize.com

Checking if a substring exists in a string bash

string='Haystack';

if [[ $string =~ "Needle" ]]
then
   echo "It's there!"
fi

3

Bash substring test

#!/bin/bash

STR='GNU/Linux is an operating system'
SUB='Linux'

if grep -q "$SUB" <<< "$STR"; then
  echo "It's there"
fi

1

Source: linuxize.com

Bash substring test

#!/bin/bash

STR='GNU/Linux is an operating system'
SUB='Linux'

if [[ "$STR" =~ .*"$SUB".* ]]; then
  echo "It's there."
fi

0

Source: linuxize.com

Bash substring test

#!/bin/bash

STR='GNU/Linux is an operating system'
SUB='Linux'

case $STR in

  *"$SUB"*)
    echo -n "It's there."
    ;;
esac

0

Source: linuxize.com

Similar codes

0 vote267 views1 answer
How to remove stuff from git
Shell/Bash
1 vote276 views1 answer
How to run flutter on google chrome
Shell/Bash
9 votes275 views2 answers
Ubuntu 18.04 jenkins The following signatures couldn't be verified because the public key is not available:
Shell/Bash
2 votes256 views2 answers
Vim hangs
Shell/Bash
0 vote294 views1 answer
Npm install composition apiu
Shell/Bash
89 votes270 views6 answers
Npm clear cache
Shell/Bash
0 vote293 views1 answer
Git reset fork
Shell/Bash
0 vote297 views1 answer
Linux find site dns
Shell/Bash
0 vote247 views1 answer
Pip install flask dockerfile
Shell/Bash
0 vote272 views1 answer
Bash dynamic varibale
Shell/Bash

Share