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Asked: 2026-05-20T07:31:59+00:00

In PHP, strtr can accept an input of array and replace all occurrence of

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In PHP, strtr can accept an input of array and replace all occurrence of key within the string, and the longest keys will be tried first.

Is there equivalant function in Perl?

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1 Answer

  1. Editorial Team

    Yep, simple regex:

    # Where %h contains your key => value mappings
my $keys = join '|', sort {length($b) <=> length($a)} keys %h;
$a =~ s/($keys)/$h{$1}/g;
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