Excel 2010 data validation to check if cell contain comma value -


in excel 2010, how validation if cell contain ',' pop message user ?

if want avoid unnecessary loop use below code.

sub findcomma()      dim srcrng range, findrng range     dim firstcell string      dim lrow integer      lrow = range("a" & rows.count).end(xlup).row     set srcrng = range("a1:a" & lrow)     set findrng = srcrng.find(what:=",", lookin:=xlvalues, lookat:=xlpart)       if not findrng nothing firstcell = findrng.address      until findrng nothing           msgbox (findrng.address & " contains comma ")         findrng.interior.color = vbred          set findrng = srcrng.findnext(findrng)          if findrng.address = firstcell exit sub      loop  end sub

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