Просто для FYI это формула:
=SUM(IF(ISNUMBER(SEARCH("-",TRIM(MID(SUBSTITUTE(A2,",",REPT(" ",99)),(ROW(INDEX(XFD:XFD,1):INDEX(XFD:XFD,LEN(A2)-LEN(SUBSTITUTE(A2,",",""))+1))-1)*99+1,99)))),(2147 >= --LEFT(TRIM(MID(SUBSTITUTE(A2,",",REPT(" ",99)),(ROW(INDEX(XFD:XFD,1):INDEX(XFD:XFD,LEN(A2)-LEN(SUBSTITUTE(A2,",",""))+1))-1)*99+1,99)),FIND("-",TRIM(MID(SUBSTITUTE(A2,",",REPT(" ",99)),(ROW(INDEX(XFD:XFD,1):INDEX(XFD:XFD,LEN(A2)-LEN(SUBSTITUTE(A2,",",""))+1))-1)*99+1,99)))-1))*(2147<=--MID(TRIM(MID(SUBSTITUTE(A2,",",REPT(" ",99)),(ROW(INDEX(XFD:XFD,1):INDEX(XFD:XFD,LEN(A2)-LEN(SUBSTITUTE(A2,",",""))+1))-1)*99+1,99)),FIND("-",TRIM(MID(SUBSTITUTE(A2,",",REPT(" ",99)),(ROW(INDEX(XFD:XFD,1):INDEX(XFD:XFD,LEN(A2)-LEN(SUBSTITUTE(A2,",",""))+1))-1)*99+1,99)))+1,99)),--(2147 = --TRIM(MID(SUBSTITUTE(A2,",",REPT(" ",99)),(ROW(INDEX(XFD:XFD,1):INDEX(XFD:XFD,LEN(A2)-LEN(SUBSTITUTE(A2,",",""))+1))-1)*99+1,99)))))>0
Это формула массива, которая должна быть подтверждена Ctrl-Shift-Enter вместо Enter при выходе из режима редактирования.
![enter image description here](https://i.stack.imgur.com/Sga2I.png)