：刚面完，充满了不确定性。。。有消息通知下

dhsiijr：狗哥😉

BiuBiuBear...：public String getImg(String s) { int index1 = s.lastIndexOf("[img]"); int index2 = s.lastIndexOf("[\\img]"); if (index1 == -1 || index2 == -1 || index1 > index2) return null; return s.substring(index1, index2 + "[\\img]".length()); }