my $list = "This is my list";
$list =~ m/^(.+?) # The 'rest' (Everything before last word)
(\w+) # Last 'word' (string of contiguous word character
+s)
\W*$ # Possible non-word characters at end of string
/x;
... (would it fail on some other string)?
Much later. For English language, \w is not inclusive enough (lacks hyphen) and includes too much (includes underscore & digits). Short of a proper grammar based parser, I would rather use word regex which addresses that ...
$word_re = qr{ (?: & | -? [a-zA-Z]+ [a-zA-Z-]* ) }x;
... is still incomplete as it does not deal with accented characters; periods in a title; acronyms with spaces and/or periods, among other things.
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