separate_longer_position

Rarer, but sometimes data is weird

tibble(x = c("1211", "131", "21")) |> 
  separate_longer_position(x, width = 1)

## # A tibble: 9 × 1
##   x    
##   <chr>
## 1 1    
## 2 2    
## 3 1    
## 4 1    
## 5 1    
## 6 3    
## 7 1    
## 8 2    
## 9 1