看过网上很多匹配算法。都只支持一次匹配。比如aadsfasdfaa...和数据串aa。匹配一次以后另外一个就没有匹配了，这里改进了一下。上传-read many online matching algorithm. Only a matching support. For example aadsfasdfaa ... aa string and data. After a match no one other matches here