Multiple regex matches in Google Sheets formula

Question

I\'m trying to get the list of all digits preceding a hyphen in a given string (let\'s say in cell A1), using a Google Sheets regex formula :

=R         


        

Answer 1

Edit

I came up with more general solution:

=regexreplace(A1,"(.)?(\d-)|(.)","$2")

It replaces any text except the second group match (\d-) with just the second group $2.

"(.)?(\d-)|(.)"
  1    2    3  
  Groups are in ()
  ---------------------------------------
 "$2" -- means return the group number 2

Learn regular expressions: https://regexone.com

---

Try this formula:

=regexreplace(regexreplace(A1,"[^\-0-9]",""),"(\d-)|(.)","$1")

It will handle string like this:

"A1-Nutrition;A2-ActPhysiq;A2-BioM---eta;A2-PH3-Généti***566*9q"

with output:

1-2-2-2-3-