[Info-vax] Unix and DCL shells

[Lawrence D'Oliveiro]

On 10 Jan 2024 21:59:20 GMT, Bob Eager wrote:

> Perhaps 'overused' is a better term. I see a lot of instances where they
> are simply not the right tool for the job. I use them where they are
> appropriate.

The main thing to realize is that REs are a Chomsky Type 3 grammar. In
simple terms, they cannot count arbitrarily-nested parentheses. Once
you grasp this point, you will have a better idea when not to use them
<https://stackoverflow.com/questions/1732348/regex-match-open-tags-except-xhtml-self-contained-tags/1732454#1732454>.