Compare two columns and display value in 3 cloumn

[Raj]

Hi
I have data in Excel Sheet in the following way

A B C
123 234
1 2
2 123

The data in Column B have to compare the value in Colmun A and if found the
value have to be displayed in Column c
Can you please me regarding htis issue.

 

[Jarek Kujawa]

are you looking for sth like this:

=IF(COUNTIF($A$1:$A$100,B1)>0,B1,"")

 

[Luke M]

=If(ISNUMBER(MATCH(B1,A1:A3)),A1,"Not found"