2) Not so long.
sub match {
''=~/$_[0]/
}
__END__
;-)
"Michel Lambert" <[EMAIL PROTECTED]> writes:
> Fun with Perl's Regexes, to be more precise. They're a lot more fun than
> regular regexes. Here's a little quiz I made up while falling asleep last
> night.
>
> 1) What's the fastest way to strip trailing whitespace ( as defined by
> /\s/ ) from a decent-sized string? Decent-sized means this email, or 100 of
> these emails concatenated together.
> 2) Is it possible to write a function which can tell me if a regex matches
> the empty string? (Since the code would most likely be long, a simple why or
> why not will do ;)
> 3) Write a regex that uses variable-width-lookahead without using the
> various look-ahead operators, (?=..), (?!..), (?<=..), or (?<!..)
>
> I'll post what I think are the answers to these questions in a few days, so
> as not to ruin any of the fun. :)
>
> Mike Lambert
