正则表达式 - 微信昵称包含特殊字符导致phpExcel导出到excel出错
数据库中是以base64_encode后存入的值8J+Si+mrmOiPsuiPsvCfkos=, 写入excel的时候进行 base64_decode, 之前程序没有出现问题，这次数据写不到 excel， 打开excel的时候提示 “**发现不可读的内容”。
是应该将这些特殊字符替换掉还是phpExcel 设置格式的问题，怎么解决？
类似于这个问题：
http://segmentfault.com/q/1010000002594934
回复内容：
数据库中是以base64_encode后存入的值8J+Si+mrmOiPsuiPsvCfkos=, 写入excel的时候进行 base64_decode, 之前程序没有出现问题，这次数据写不到 excel， 打开excel的时候提示 “**发现不可读的内容”。
是应该将这些特殊字符替换掉还是phpExcel 设置格式的问题，怎么解决？
类似于这个问题：
http://segmentfault.com/q/1010000002594934
是不是名称包含了emoji？
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