更换分度计 [英] Replacing delimeters

问题描述

请在代码中看到以下内容:

Replace(substring(@data)，1,5)，''，''nchar(31))

我看到它们正在用nchar(31)代替； nchar(31)是什么意思?是空的还是什么?

Please I am seeing something like this in a code:

Replace(substring(@data),1,5),'','' nchar(31))

I see they are replacing , with nchar(31); what is the meaning of nchar(31) ? does it mean empty space or what?

Thanks for you response in advance!!

推荐答案

ASCII字符31是 [ Wikipedia条目 [

The ASCII character 31is the ''Unit Separator''[^].

The Wikipedia entry[^] (search for ''31'')

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