> Here is a few throw away thoughts - they don't constitute RFC
> material yet, I am not sure if they would be that useful and have
> not yet thought of any syntax, but any others? All of these can be
> done today but are not necessarily "easy".
>
> * Embeded patterns that do not match a pattern - you can do [^a]*
> for a string that does not have an a, but can you match a string
> that does not contain "and".
/\A(?s:(?!and).)*\Z/
> * Using the pattern returned from some function as part of a regex
/pattern returned from ${\some_function} as part of a regex/
> * Using an array of "words" as an alternate list as part of a regex
/match any of (${\join'|',@list}) here/
Damian
