count number of digits in a string in r

Question

I have a column with strings:

name
aldrinas63_rios200_2001
sa_c.fr.1234

I want to count the number of digits in each cell: I have used the

Answer 1

Try this:

nchar(gsub("\\D", "", data$name))

Example

s <- c("aldrinas63_rios200_2001","sa_c.fr.1234")

nchar(gsub("\\D", "", s))
#[1] 9 4