R: Creating an alphanumeric sequence with fixed length numbers

Question

I need to create an alphanumeric sequence as follows. The following code creates the sequence as M_1, M_2, ... etc

paste0("M_",seq(1:100))

I need all the numbers to appear as 3 digit numbers. i.e. M_001, M_002 etc

Possible duplicate of [Format number as fixed width, with leading zeros](http://stackoverflow.com/questions/8266915/format-number-as-fixed-width-with-leading-zeros) — Ronak Shah, Apr 01 '17 at 16:03
Possible duplicate of [Adding leading zeros using R](http://stackoverflow.com/questions/5812493/adding-leading-zeros-using-r) — Uwe, Apr 02 '17 at 05:35

score 2 · Accepted Answer · answered Apr 01 '17 at 15:54

2

We can use sprintf

sprintf("M_%03d", 1:100)

answered Apr 01 '17 at 15:54

akrun

1 Answers1