How to replace a digit by a letter?

Question

I want to replace some digits by letters such that

1 ---> a
2 ---> b
...

In emacs I have tried the following replacement:

M-x query-replace-regexp RET \([0-9]+\) RET \,(string (+ ?a \#1)) RET

It works, but in replacement I obtain 1 --> b, 2 --> c, and so on. Please, how can I fix it?

PS: I know that with my code 26 --> {, but it is not a problem because my digits are generally less than 26.

@InHarmsWay: Please post your comment as an answer. OP: Please accept the answer. Alternatively, if you think your question and the answer aren't helpful for other readers then please consider deleting the question. Thx. — Drew, Mar 14 '19 at 14:29

score 2 · Answer 1 · answered Mar 14 '19 at 21:58

2

The following should work:

M-x query-replace-regexp RET \([0-9]+\) RET \,(string (+ (1- ?a) \#1)) RET

answered Mar 14 '19 at 21:58

InHarmsWay

1 Answers1