> my $s = 'xxxABCDEyyy';
xxxABCDEyyy
> say "captured $/" if $s ~~ / ABC | ABCD | ABCDE /;
captured ABCDE
> say "captured $/" if $s ~~ / ABC || ABCD || ABCDE /;
captured ABC

##</code><code>##

> say "captured $/" if $s ~~ / xABC | ABCD | ABCDE /;
captured xABC