For the metacharacters case, how about this:

my $re = do {
    local $" = '\E|\Q';
    qr/\Q@array\E/;
};

[download]

That lets you ditch the map and array refernceing/dereferencing inside the regex. Though it is arguably not as clear.

----
send money to your kernel via the boot loader.. This and more wisdom available from Markov Hardburn.

In reply to Re^2: matching elements in a list in a logical OR fashion by hardburn
in thread matching elements in a list in a logical OR fashion by Anonymous Monk

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