how Count items in texbox multiline

[luidd]

Hi im looking for any help to count items from a texbox multiline i need some code that does what i show

i have a texbox ad i want count how many occurances there are of items like this:

tex box multiline item : results:


0,35 0,35 =2
0,35
1,0 1,0=1
1,5 1,5=2
1,5
2,0 2,0=2
2,0
6 6=2
6

i woud apprecite any clue and help to achieve my gol