On Wed, 29 Dec 2021 12:42:24 +0000, Martin Rixham
<martin.rix...@equalexperts.com> wrote:
> I'm getting an error from the following:
>
> [martin@fedora ~]$ expr ')' : '.*'
> expr: syntax error: unexpected ')'
>
> There also seems to be a similar problem with:
>
> expr '(' : '.*'
I think you need to use '+' before the offending token, at least according
to the man page:
+ TOKEN
interpret TOKEN as a string, even if it is a
keyword like 'match' or an operator like '/'
And indeed:
$ expr '+' ')' : '.*'
1
--
D.
