Finding Last "P"

Bundy

New Member
Joined
Jul 18, 2007
Messages
49
How can you find the last "P" on a line, without an Array formula or Code? (Excel 2000)
JA Regional Rosters work in progress.xls
ABCDEFGHIJKLMNOPQRSTUVWXY
1NamesHours8:30AM8:45AM9:00AM9:15AM9:30AM9:45AM10:00AM10:15AM10:30AM10:45AM11:00AM11:15AM11:30AM11:45AM12:00PM12:15PM12:30PM12:45PM1:00PM1:15PM1:30PM1:45PM2:00PM
2Tom900-530PPPPPLLPPB1PPCCPPPPCCC
3****0pppppLLLcccB1cc
4Harry900-500pppB1LLLcc
5Fred900-500
WEEK 1
 

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dave3009

Well-known Member
Joined
Jun 23, 2006
Messages
7,002
Office Version
  1. 365
  2. 2016
Try LOOKUP

=LOOKUP("p",4:4, COLUMN(4:4))

Will return the last instance of P in a given row in this case row 4
 

barry houdini

MrExcel MVP
Joined
Mar 23, 2005
Messages
20,825
What do you want to return, the time from row 1? Try this formula for row 2 copied down

=LOOKUP(2,1/(C2:Y2="P"),C$1:Y$1)

format as time
 

Bundy

New Member
Joined
Jul 18, 2007
Messages
49
What do you want to return, the time from row 1? Try this formula for row 2 copied down

=LOOKUP(2,1/(C2:Y2="P"),C$1:Y$1)

format as time

Thanks! I knew there was a way!

How does this work though?

LOOKUP(lookup_value,array)
or
LOOKUP(lookup_value,lookup_vector,result_vector)

2 isn't the lookup value we are after?
 
Last edited:

schielrn

Well-known Member
Joined
Apr 4, 2007
Messages
6,939
Lookup will return the last value of a match. If there is no match and the lookup value is greater than anything in the list it will move to the next closest value in the list. In this case it doesn't necessarily need to be 2, it could be Lookup(1.01,lookup_vector,result_vector) It just needs to be greater than 1 because (C2:Y2)="P" is going to return true/false which equates to a 1 (True) or 0 (False). So it would be either 1/1 or 1/0 which the latter would form a Div/0 error and the first one would result in 1. Then lookup just returns the last 1 in the range.

It could probably be explained a lot better, but hope that helps.
 

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