You can use Marcus’s answer (* wildcards) outside a case statement, too, if you use double brackets:
string='My long string'
if [[ $string == *"My long"* ]]; then
echo "It's there!"
fi
Note that spaces in the needle string need to be placed between double quotes, and the *
wildcards should be outside. Also note that a simple comparison operator is used (i.e. ==
), not the regex operator =~
.