iOS中的谓词（NSPredicate）使用 //推荐最先看************** http://www.cocoachina.com/ios/20160111/14926.html

http://blog.csdn.net/ridxmc/article/details/51319292

iOS输入框UITextField的输入控制 http://www.jianshu.com/p/75783034f9e7

NSCharacterSet的使用 http://blog.csdn.net/longshihua/article/details/50468910

NSCharacter​Set和NSMutableCharacterSet的初步研究 http://blog.csdn.net/lcl130/article/details/41802623

字符串的拆分(componentsSeparatedByCharactersInSet) http://blog.csdn.net/yaoqiuxiangcom/article/details/24231445

ios 学习之 NSPredicate 模糊、精确、查询 http://blog.csdn.net/lianbaixue/article/details/10579117

iOS判断是否是手机号码 － 最新 http://blog.csdn.net/applexiaozhu/article/details/53692235