Bash regex if condition

Use following structure:
if [[ $digit =~ [0-9] ]]; then //run if a digit included in $digit string
    echo "$digit is a digit"
else
    echo "oops"
fi

Similar codes

1 vote235 views1 answer
Set default branch to main on git init
Shell/Bash
10 votes244 views6 answers
Listen EADDRINUSE: address already in use :::8081
Shell/Bash
0 vote228 views1 answer
Install packages from txt
Shell/Bash
0 vote229 views1 answer
Run docker without iptables
Shell/Bash
0 vote229 views1 answer
Powershell check if user is admin
Shell/Bash
14 votes237 views6 answers
Git revert merge
Shell/Bash
13 votes214 views6 answers
Libespeak.so.1: cannot open shared object file: No such file or directory
Shell/Bash
1 vote207 views2 answers
Git Automatic merge failed; fix conflicts and then commit the result
Shell/Bash
11 votes228 views2 answers
Shell script to count number of lines in a file
Shell/Bash
0 vote237 views1 answer
Install stdimage
Shell/Bash