qaperf@hzbxs-perftest13:~/linsa/checkMultiEnv$ echo "global-online/online-war/online/hehe.txt" | sed -e ‘s/\(.*\)\/online\/\(.*\)/\1\/performance\/\2/‘ global-online/online-war/performance/hehe.txt
其实并不是哈
原文：http://www.cnblogs.com/boucher/p/5798711.html