search - Excel: Find value in column(s) -

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i've got excel spreadsheet multiple columns of different lengths, each filled unsorted numbers. each column has header.

is there way determine column(s) contain number?

for instance, i'd love able =whichcols( 123, a, z ) , have excel tell me columns [b, c, , k] contain cells value of 123. though, ideally, i'm after comma separated list of headers.

equally adequate find cells, in range (or ranges), have value; e.g. [b19, c32, , k908].

i feel i'm overlooking obvious built-in function.

there might built-in way can write own function.

put code in vba module:

public function whichcols(searchvalue double, srcrange range) string     dim rangecolumn range     dim columncell range      dim headerrow long     headerrow = 1 ' headerinformation in rownr 1 '      whichcols = vbnullstring     each rangecolumn in srcrange.columns         each columncell in rangecolumn.cells             if columncell = searchvalue                 if whichcols <> vbnullstring whichcols = whichcols & ", "                 whichcols = whichcols & srcrange.parent.cells(headerrow, columncell.column)                 exit             end if         next columncell     next rangecolumn end function

an example call in excel be:

=whichcols(7,a2:f3)

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