1.使用grep
s1="abcdefg"s2="bcd"result=$(echo $s1 | grep "${s2}")if [[ "$result" != "" ]]then echo "$s1 include $s2"else echo "$1 not include $s2"fi
2. 使用操作符~
fileName=/home/sss/data/hkif [[ $fileName =~hk ]]then echo "$fileName include hk"else echo "not include"fi
3. 使用通配符*
A="helloworld"B="low"if [[ $A == *$B* ]]then echo "包含"else echo "不包含"fi