如何判断字符串是否是有效EMAIL地址

说明：  C语言文件io的一些例题 希望大家能用的到 这里面都是一些基础的文件熊例题(Some examples of C language file IO I hope you can use here are some basic file bear examples)

一篇学习正则表达式得好文档,希望对大家有帮助.(A good document to learn regular expressions, I hope it will help you.)

说明：  Delphi标准AES加解密算法，DEMO(Delphi Standard AES encryption and decryption algorithm, demo)

简单英汉字典程序。功能包括装载单词信息，添加删除单词等。(Simple English-Chinese dictionary program. Features include loading the word information, add and delete words and so on.)

radius detection through hough transform

圆的绘制，在很多计算机课程中会用到元的绘制，特么是在计算就行雪中会有(Draw a circle, in many computer programs will be used to draw elements, especially in the calculation of what is on the line there will be snow)

动态创建数组模板，可以用该模板动态创建所需要的数组类(Dynamic Creation of Array Templates)

一个很好玩的游戏，类似雷电，名字是雷霆战机。-A very fun game, similar to thunder and lightning, whose name is Thunder fighter.

Returns whether this {@code Enumeration} has more elements.

读取windows序列号源码，例程程序结合易语言扩展界面支持库,调用API函数实现读取保存windows序列号。(Open windows to read the serial number , the routine extension program interface combined with easy language support library , call the API function to read saved windows serial number.)