Excel 用于检查重复单词的公式

Excel formula to check for duplicate words

我需要一个 excel 公式来检查一行中的任何列中是否有任何单词重复。我的示例行位于由“,”分隔的列下方。

列号: E221, F221, G221, H221

专栏文本山姆,John/Sam/Smith,史密斯,凯尔

上面的 Sam & Smith 名字重复,因此应以红色突出显示。

Excel 文件 Link: https://docs.google.com/spreadsheets/d/1D6PZWtbk_2IVEA4l1noFzKRFu0quXSTAewmL41xOnlo/edit?usp=sharing

我认为这可以完成工作(假设您的数据在 B1:F1 中):-

=if(b1="",0,
SUM(1-(ISERROR(FIND(MID("/"&B1&"/",FIND("|",SUBSTITUTE("/"&B1&"/","/","|",{1;2;3;4;5;6})),FIND("|",SUBSTITUTE("/"&B1&"/","/","|",{2;3;4;5;6;7}))-FIND("|",SUBSTITUTE("/"&B1&"/","/","|",{1;2;3;4;5;6}))+1),"/"&$A:A&"/"))))
+SUM(1-(ISERROR(FIND(MID("/"&B1&"/",FIND("|",SUBSTITUTE("/"&B1&"/","/","|",{1;2;3;4;5;6})),FIND("|",SUBSTITUTE("/"&B1&"/","/","|",{2;3;4;5;6;7}))-FIND("|",SUBSTITUTE("/"&B1&"/","/","|",{1;2;3;4;5;6}))+1),"/"&C:$G&"/"))))
)

它提取每个单元格中的每个名称并尝试将其与所有其他单元格匹配但是因为它使用数组常量,所以你不能在条件格式中直接使用它:你会必须把它放在(比如)B2:F2 中并根据它设置条件格式,或者使用更长的公式。

是数组公式,需要用Ctrl输入 Shift Enter

这是一个改进的公式。以前我是匹配当前单元格左右两边的单元格:这个匹配包括当前单元格在内的所有单元格并减去当前单元格与自身匹配的匹配数:-

=if(b1="",0,
SUM(1-(ISERROR(FIND(MID("/"&B1&"/",FIND("|",SUBSTITUTE("/"&B1&"/","/","|",{1;2;3;4;5;6})),FIND("|",SUBSTITUTE("/"&B1&"/","/","|",{2;3;4;5;6;7}))-FIND("|",SUBSTITUTE("/"&B1&"/","/","|",{1;2;3;4;5;6}))+1),"/"&$B:$F&"/"))))
-(LEN(B1)-LEN(SUBSTITUTE(B1,"/",""))+1)
)

如果您想要一个可以直接在条件格式中使用的公式,我认为您将不得不分别枚举所有可能的子字符串的所有可能匹配项,这相当乏味:-

=if(b1="",0,
SUM(
1-(ISERROR(FIND(MID("/"&B1&"/",FIND("|",SUBSTITUTE("/"&B1&"/","/","|",1)),FIND("|",SUBSTITUTE("/"&B1&"/","/","|",2))-FIND("|",SUBSTITUTE("/"&B1&"/","/","|",1))+1),"/"&$B:$F&"/"))),
1-(ISERROR(FIND(MID("/"&B1&"/",FIND("|",SUBSTITUTE("/"&B1&"/","/","|",2)),FIND("|",SUBSTITUTE("/"&B1&"/","/","|",3))-FIND("|",SUBSTITUTE("/"&B1&"/","/","|",2))+1),"/"&$B:$F&"/"))),
1-(ISERROR(FIND(MID("/"&B1&"/",FIND("|",SUBSTITUTE("/"&B1&"/","/","|",3)),FIND("|",SUBSTITUTE("/"&B1&"/","/","|",4))-FIND("|",SUBSTITUTE("/"&B1&"/","/","|",3))+1),"/"&$B:$F&"/"))),
1-(ISERROR(FIND(MID("/"&B1&"/",FIND("|",SUBSTITUTE("/"&B1&"/","/","|",4)),FIND("|",SUBSTITUTE("/"&B1&"/","/","|",5))-FIND("|",SUBSTITUTE("/"&B1&"/","/","|",4))+1),"/"&$B:$F&"/"))),
1-(ISERROR(FIND(MID("/"&B1&"/",FIND("|",SUBSTITUTE("/"&B1&"/","/","|",5)),FIND("|",SUBSTITUTE("/"&B1&"/","/","|",6))-FIND("|",SUBSTITUTE("/"&B1&"/","/","|",5))+1),"/"&$B:$F&"/"))),
1-(ISERROR(FIND(MID("/"&B1&"/",FIND("|",SUBSTITUTE("/"&B1&"/","/","|",6)),FIND("|",SUBSTITUTE("/"&B1&"/","/","|",7))-FIND("|",SUBSTITUTE("/"&B1&"/","/","|",6))+1),"/"&$B:$F&"/"))))
-(LEN(B1)-LEN(SUBSTITUTE(B1,"/",""))+1)
)