This headerfile is exellently well made user defined functions related on strings.

字符串部分 个人整理的库，供大家使用，含有KMP算法-KMP in my medoth to come ture!

string类在c++中使得程序员对于字符串的操作更加方便，今天就来编写自己的MyString类。(The string class makes it easier for programmers to manipulate strings in c ++, and to write your own MyString class today.)