Extract numbers from text string

Here is an array formula that will do it

Formula:

=COUNT(IF(IFERROR(--MID(SUBSTITUTE(A1," ",REPT(" ",99)),99*(COLUMN(A:Z)-1)+1,99),"")<75,--MID(SUBSTITUTE(A1," ",REPT(" ",99)),99*(COLUMN(A:Z)-1)+1,99)))

**Must be entered with Ctrl+Shift+Enter key combination.

v	A	B
1	18 22 90	2
2	2 33 49 65	4
3	99 45 65 79 110 63	3
4	1225 33 489 63 15 78 1300 33 8 11 3	7