input:http://www.tmall.com/jj5.jpghttps://www.microsoft.com/asdgg.html替换域名为:www.abcd.com域名前面一组:(http://|https://),域名后面一组:(/[S]*)所以匹配的方式: (http://|https://) [^/]*? (/[S]*)替换: $1www.abcd.com$2