[root@local] str="abcdefghijk"
例子1:
[root@local] if [[ $idstr =~ "fgh" ]]
[root@local] then
[root@local] echo "包含"
[root@local] else
[root@local] echo "不包含"
[root@local] fi
例子2:
[root@local] result=$(echo $str | grep "cdefg")
[root@local] if [[ "$result" != "" ]]
[root@local] then
[root@local] echo "包含"
[root@local] else
[root@local] echo "不包含"
[root@local] fi