my $re = join '|', keys %dict;

It's worth noting that the keys will be interpreted as regexes, which is not always what you want. If you don't want that, use 

my $re = join '|', map { quotemeta $_ } keys %dict;

[download]
instead

Perl 6 in German

In reply to Re: regex s/// using hash by moritz
in thread regex s/// using hash by oha

Title:
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