Re: Confused first time Kate user

Richard Owlett <rowlett@access.net> wrote at 14:40 this Tuesday (GMT):

I have a Debian machine with Kate Version 16.08.3 .
>
I wish to do a search & replace using regular expressions.
The "Help" menu has led to
https://docs.kde.org/stable5/en/kate/katepart/regular-expressions.html
and
https://docs.kde.org/stable5/en/kate/katepart/regex-patterns.html
>
I have strings of the form "XYZn" where n is one to three digits
representing values of from 1 to 299. I wish to replace all occurrences
with "abc".
>
The documents give essentially no examples.
>
Help please.
TIA

I'd recommend using an online regex generator like
https://regex101.com/.

This regex expression should do what you want:
[[:digit:]]{3}
--
user <candycane> is generated from /dev/urandom