RPL mini-challenge: Create an anti-Identity Matrix

[DavidM]

(05-13-2018 09:51 AM)pier4r Wrote:  Question: in user RPL how do I replace a charachter in a specific position? Like I have "12345" I want to replace 4 with 8 to get "12385". I was thinking PUT would do the job, but the AUR says no.

PUT doesn't work with strings, but REPL does:

"12345" 4 "8" REPL

yields

"12385"

If you simply want all instances of a given character replaced, use SREPL.