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亲身经历：如何判断一个字符在a/z之前？

柳鲲鹏发布时间：2018-12-04 17:09:09 ，浏览量：2

　　以前在永中的时候，有人问吾，如何判断一个字符在a和z之间？吾一听就笑了。正常来说，当然是类似这样判断：

if ('a'


    
        
            
                
                
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