What are the rules? The [ ]? If so

=MID(A1,FIND("[",A1)+1,FIND("]",A1)-FIND("[",A1)-1)

=MID(A1,FIND("]",A1)+2,FIND("[",A1,FIND("[",A1)+1)-FIND("]",A1)-2)

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HTH

Bob Phillips

(remove nothere from the email address if mailing direct)

"vito" wrote in message
...

A1 B1
Other translation proteins [ko00000] K03540 [RPR2]


extract ko00000 and K03540 from 2 cells.

Is it possible to achieve that in Excel?