public static void main(String[] args) {
if(isHave("购买ab","出售AssBC"))
System.out.println("true"); //返回true
else
System.out.println("false");
}
// public static String reg = "[`~!#$%^&*()+=|{}':;',\\[\\].<>/?~！#￥%……&*（）——+|{}【】‘；：”“’。，、？]";
public static boolean isHave(String strs,String s){
for (int i = 0; i < strs.length()-1; i++) {
for (int j = i+1; j < strs.length(); j++) {
if(s.toLowerCase().contains(strs.toLowerCase().substring(i, j))){
return true;
}
}
}
return false;
}