The following documentation comment has been logged on the website:
Page: https://www.postgresql.org/docs/13/functions-matching.html
Description:
https://www.postgresql.org/docs/current/functions-matching.html
```
Tip
If you have pattern matching needs that go beyond this, consider writing a
user-defined function in Perl or Tcl.
```
I think Perl or Tcl are not the common choice today.
AFAIK Python is quite popular, and they have a good regex implementationd,
too.