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//1.如何使服务器兼容Emoji表情符号的几种办法 http://www.jianshu.com/p/aa559c913323 //2.是否包含表情 - (BOOL)isContainsEmoji:(NSString *)string { __block BOOL isEomji = NO; [s 阅读全文
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1. //有字符串“A~B^C_D>E"，拆分出单个字母: NSString *str =@" A~B^C_D>E "; str = [str stringByTrimmingCharactersInSet:[NSCharacterSetwhitespaceAndNewlineCharacterSe 阅读全文