I want change the numbers, 1 ~ 9 to 01 ~ 09 in column
Hello, I have two column, Lot and wafer as shown below.How can I make wafer_rev column, where the single digit values (1~9) are changed to double digits (ex, 01, 02, ,,,,09. No change in 11~20) Is there a simple script for this ?Please advise me. LotwaferWafer_revDA1101FA2303UJ31111DS2903 Thank you in advance